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Area Code 650

California · Pacific time · now 1:57 PM

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Area code 650 is a real California area code

Calls from 650 normally come from California — 22 cities across 4 counties, in the Pacific time zone. Our archive holds 1,911 caller reports on 542 numbers in this area code.

  • A valid area code is not a guarantee — any number can be spoofed to look local.
  • If the caller claims to be your bank or a government agency, hang up and dial the number printed on your card or their official site.

Check the exact number that called you

An area code only tells you the region. Search the full number to see listings and reports for it.

CAstate
22cities served
34carriers
1:57 PMlocal time

Where is area code 650?

Area code 650 serves California, covering Palo Alto, San Mateo, Redwood City, Mountain View, San Bruno. In total our directory records 800 phone prefixes in this area code, spread across 22 cities and 4 counties.

The area code sits in the Pacific time zone (UTC-08:00), where the local time is now approximately 1:57 PM. The oldest prefix on record here entered service on 1997-07-06, and the newest on 2015-09-11.

Of the prefixes with a known line type, 21% are wireless and 79% landline — 127 mobile against 484 fixed-line prefixes.

Area code 650 on the map

California is highlighted below. Schematic map — each square is one state or territory.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPRVI

Line types in this area code

Landline prefixes484 · 79%
Wireless prefixes127 · 21%
Time zonePacific
UTC offset-08:00
In service since1997
Counties covered4

Carriers operating in area code 650

Telephone companies holding prefixes in this area code, ranked by how many they operate.

CarrierLine typePrefixes
Pacific BellLandline272
New Cingular Wireless Pcs, LlcWireless40
Sprint Spectrum L.p.Wireless28
Teleport Communications Group - San FranciscoLandline21
Cellco Partnership Dba Verizon WirelessWireless20
Pac - West Telecomm, Inc.Landline20
Level 3 Communications, LlcLandline19
Allegiance Telecom, Inc.Landline16
U.s. Telepacific Corp.Landline16
T-Mobile Usa, Inc.Wireless14
Xo California, Inc.Landline12
Mcimetro Access Transmission Services LlcLandline12
O1 Communications, Inc.Landline11
Mci Worldcom Communications, Inc., CaLandline11
American Messaging Services, LlcWireless10

Cities in area code 650

Places served by this area code, with the number of prefixes assigned to each.

Palo Alto116 prefixes · Santa ClaraSan Mateo105 prefixes · San MateoRedwood City92 prefixes · San MateoMountain View70 prefixes · Santa ClaraSan Bruno60 prefixes · San MateoSan Francisco25 prefixes · San FranciscoSan Carlos23 prefixes · San MateoMillbrae17 prefixes · San MateoLos Altos15 prefixes · Santa ClaraHalf Moon Bay14 prefixes · San MateoDaly City14 prefixes · San MateoPescadero10 prefixes · San MateoBrisbane9 prefixes · San MateoLa Honda9 prefixes · San MateoPacifica9 prefixes · San MateoSan Jose8 prefixes · Santa ClaraMoss Beach7 prefixes · San MateoFremont4 prefixes · AlamedaSunnyvale3 prefixes · Santa ClaraSanta Clara2 prefixes · Santa ClaraSouth San Francisco2 prefixes · San MateoStanford1 prefixes · Santa Clara

Caller reports for area code 650

Aggregated from 1,911 reports covering 542 distinct numbers in this area code (2015–2017 archive).

Reported call types

Unknown953Telemarketer503Debt Collector53SMS33Prank Caller32Prank Call18Survey12Political Call6

Most reported numbers

650-278-440241 reports650-900-465938 reports650-350-595034 reports650-262-122130 reports650-265-085130 reports650-240-276028 reports650-204-319127 reports650-646-281425 reports

Who callers said they were

Names people entered when reporting a call from this area code.

? ×13unknown ×12Fisher Investments ×11Facebook ×9Direct Buy ×9SSI ×8Aurel Gavilanez ×7Impact Mediation ×7out of area ×6APIM LLC ×5oracle ×5No Name ×5

Report activity by year

2015895 · 88%
20161,016 · 100%

Numbers reported in area code 650

Each number below was reported by someone who received a call from it. “Reported as” is the name the caller gave or that the recipient recognised — what people wrote down, not verified ownership.

NumberReportsCall typeReported asLast report
650-278-440241Telemarketer, UnknownBrian / caller said they were with geico / Insurance Network / Said Geico but when you call back get china women and no company name2016-04-17
650-900-465938Prank Caller, Telemarketer, Unknown—2016-04-24
650-350-595034Telemarketer, Unknownfisher investment / Fisher Investments2016-04-28
650-262-122130Telemarketer, UnknownTest2016-05-01
650-265-085130Telemarketer, UnknownYour Grant Advisor2016-04-26
650-240-276028Prank Caller, Telemarketer, Unknown—2016-04-30
650-204-319127Unknown—2016-04-22
650-646-281425Telemarketer, Unknown—2016-04-30
650-690-880625Debt Collector, Prank Caller, UnknownMr. ?? Martin / not mentioned / scam saying he was federal courts / U.S. treasury2016-04-25
650-767-267624Telemarketer, Unknown"Etho" or "Eco" California / Eco California / Fake-o / Home Improvements2016-04-29
650-888-269623Political Call, Telemarketer, UnknownYUM / YVM2016-05-02
650-364-678823Prank Caller, Telemarketer, Unknown—2016-04-21
650-306-958623Telemarketer, Unknown—2016-04-30
650-230-196822Debt Collector, Telemarketer, Unknownnco2016-04-23
650-277-261322Telemarketer, Unknown—2016-04-29
650-221-988922Telemarketer, Unknown—2016-02-25
650-388-111721Prank Caller, Unknownmental hospital / Psychiatric Hotline2016-03-31
650-532-856419Telemarketer, UnknownMpower Communications Corp. / Ryan Gibson / Steve Martin2016-05-02
650-679-845418Telemarketer, UnknownEMMA JOHNSON2016-04-10
650-200-472718Survey, Telemarketer, Unknown"General Contractor" / "Unavailable" / a remodeling company / California Cal2016-05-02
650-556-988217Telemarketer, UnknownGolden State Energy Center2016-04-29
650-887-026016Prank Caller, Telemarketer, UnknownSaid Facebook2016-04-13
650-838-671416Survey, Telemarketer, Unknown"HOME IMPROVEMENT SERVICES"???? / "Unavailable" / ??????? / Hang-up - so scam2016-04-30
650-810-190016TelemarketerDirect Buy / DirectBuy / Directbuy Silicon / furniture store2016-04-29
650-348-047115Telemarketer, Unknown—2016-04-11
650-230-196215Debt Collector, Prank Caller, UnknownJaina Systems Network2016-04-29
650-282-209115Unknownvoip caller2016-04-25
650-490-399114Debt Collector, Telemarketer, Unknown? / fraud / Just another junk call. / Millbrae ca2016-04-21
650-931-806614Telemarketer, UnknownScammer Jenny2016-04-27
650-543-480014Survey, TelemarketerBostonHolly / Facebook / Facebook / Oculus2016-03-31
650-365-369114Telemarketer, Unknown—2016-03-24
650-488-544212Debt Collector, Prank Caller, UnknownJohn White2016-04-26
650-372-584912Prank Call, Telemarketer? / ??? / CUSTOMER SERVIC / Customer Service2016-04-30
650-257-213812Telemarketer, Unknown"Redwood City CA" / did not state name / Not identified / Out of atea2016-04-05
650-257-334112Telemarketer, Unknown—2016-05-01
650-372-503612Survey, Telemarketer"SSI" / Intl John / SSI2016-04-11
650-316-843111Telemarketer, UnknownJeniffer/sales2016-04-24
650-701-198411Telemarketer, Unknown—2016-04-24
650-238-934811Telemarketer, UnknownCaller ID says: FINAL NOTICE / Credit Card Telecriminals Inc. / Customer Support / Final Notice2016-04-29
650-238-937911Non-profit Organization, Telemarketer, UnknownAC Services / Just said South San Francisco / South San Fr CA / United Cancer Support Foundation2016-04-19
650-618-808010Telemarketer, UnknownPerverts2016-04-25
650-864-263510Telemarketer, Unknown—2016-04-18
650-720-009310TelemarketerAurel Gavilane / Aurel Gavilanez / Aurel Gavilanez on caller ID / likely scammer2016-04-22
650-506-700010TelemarketerDon't know / oracle / Oracle Corporation / Unknown, shows as California2016-04-06
650-900-822310Telemarketerdidn't say / His / Phishing for Data / She stated it was called "HIS"2016-04-01
650-328-287110TelemarketerEnergy Institute / Ima Dikhed / Misrepresented / spamspamspam2016-04-06
650-810-923510Debt Collector, Telemarketer, UnknownProceso financiero / PROGRESO FINANCIERO / Progressive / Progressive Financial2016-04-25
650-500-010210Prank Call, Telemarketer, Unknown??? / Card Member services / Card Services / Phishers are Us.2016-04-16
650-825-104310Prank Call, SMS? / unkown sms2016-03-30
650-238-997210Telemarketer"SOUTH SAN FRANCISCO CA" / ? / ASSIST / California2016-04-23
650-870-99529Unknown—2016-04-14
650-285-46899TelemarketerAnnoying Telemarketers / mbtech79 / Mr Annoying / Report a phone call from 650-285-46892016-04-18
650-852-83589Prank Call, Survey, Telemarketer, UnknownCherokee Data / CHEROKEE DATA or HOME INSTALL? / crook / Ida, Neata, Reechharound LLC2016-04-29
650-590-10629Debt CollectorImpact Mediation / Impact meditation / Informational post2016-04-29
650-713-31869TelemarketerAPIM LLC / APIM, LLC / local splash / UNITED HEALTHCARE2016-05-02
650-213-27578Unknown+65021327572016-04-27
650-490-28748Unknown—2016-03-17
650-385-20008—"Unavailable" / CC Corporation / CS Corp / CS support2016-04-17
650-372-58668Telemarketer, Unknown—2016-04-27
650-362-49958Telemarketer, UnknownCarl Ebeling2016-04-10

Showing the 60 most-reported of 542 numbers on record for this area code.

Businesses with 650 numbers

Our business records list 62,417 companies reachable on a 650 number, across 595 cities and 4,516 lines of business. If an unexpected call came from this area code, it may well be one of them.

What they do

Business Consulting, Nec 1,459Single-family Housing Construction 1,284Business Services, Nec 1,220Beauty Shops 868Services, Nec 753Design Services 657Investors, Nec 646Offices And Clinics Of Medical Doctors 626Nonclassifiable Establishments 576Offices And Clinics Of Dentists 572Real Estate Brokers And Agents 552Eating Places 524General Automotive Repair Shops 515Legal Services 515Real Estate Agents And Managers 500

Larger organisations on 650 numbers

Headcount and founding year are as recorded in the business register, and a business may hold a number outside the state it operates in.

BusinessPhoneCityIndustryStaffFounded
GOOGLE INC.650-253-0000Mountain ViewInformation Retrieval Services19,8911998
The Leland Stanford Junior University650-723-4000StanfordGeneral Medical And Surgical Hospitals6,800—
The Permanente Medical Group Inc650-301-5800Daly CityHospital And Medical Service Plans5,026—
American Restaurant Group, Inc.650-949-6400Los AltosEating Places5,0001986
Oracle America, Inc.650-506-7000Redwood CityManufacturing - Minicomputers3,5002010
Veterans Health Administration650-493-5000Palo AltoMedical Centers3,500—
Agilent Technologies, Inc.650-485-1000Santa ClaraInstruments To Measure Electricity3,275—
Vitesse, LLC650-543-4800Menlo ParkData Processing Service3,0002010
Hewlett-Packard Company650-857-4946Palo AltoComputer (hardware) Development3,000—
Veterans Health Administration650-493-5000Menlo ParkMedical Centers3,000—
Stanford Health Care650-736-7844Palo AltoGeneral Medical And Surgical Hospitals2,523—
GINO MORENA ENTERPRISES, LLC650-871-0363South San FranciscoBarber Shops2,5001943
Franklin Templeton Services, LLC650-312-3000San MateoInvestment Advice2,5001996
HP Inc.650-857-1501Palo AltoManufacturing - Personal Computers (microcomputers)2,5001939
Oracle Systems Corporation650-506-7000Redwood CityPrepackaged Software2,3002005
The Leland Stanford Junior University650-723-4000Palo AltoGeneral Medical And Surgical Hospitals2,285—
The Leland Stanford Junior University650-725-2377Palo AltoGeneral Medical And Surgical Hospitals2,285—
Xpo Logistics Worldwide Government Services, LLC650-378-5200San FranciscoFreight Transportation Arrangement2,2002003
Genentech, Inc.650-225-1000South San FranciscoPharmaceutical Preparations2,0002009
Varian Medical Systems, Inc.650-493-4000Palo AltoElectromedical Equipment1,7101948
RECOVERY EQUITY INVESTORS LP650-802-1045Redwood CityInvestors, Nec1,6031990
METRICSTREAM, INC.650-620-2900Palo AltoApplication Computer Software1,6001999
Atrium Capital Corp650-233-7878Menlo ParkInvestment Firm, General Brokerage1,5051991
Kaiser Foundation Hospitals650-742-2000South San FranciscoMedical Centers1,500—
Communications & Power Industries LLC650-846-3729Palo AltoElectron Tubes1,500—
Kaiser Foundation Hospitals Inc650-299-2000Redwood CityMedical Centers1,500—
SRI International650-859-2000Menlo ParkScientific Research Agency1,4301946
Excel Building Services LLC650-755-0900PleasantonJanitorial Service, Contract Basis1,3001998
Bristlecone Incorporated650-386-4000San JoseSoftware Programming Applications1,3002005
Sequoia Health Services650-369-5811Redwood CityGeneral Medical And Surgical Hospitals1,1671998
The Idea Travel Company650-948-0207Los Altos HillsTravel Agencies1,1001973
Wilson Sonsini Goodrich & Rosati, Professional Corporation650-493-9300Palo AltoCorporate, Partnership And Business Law1,1001961
Seton Medical Center650-992-4000Daly CityGeneral Medical And Surgical Hospitals1,0992002
HP Inc.650-857-1501MilpitasGeneral Warehousing And Storage1,001—
Bank of America, National Association650-615-4700San FranciscoNational Commercial Banks1,000—
Hewlett-Packard Credit Corporation650-857-1501Palo AltoManufacturing - Personal Computers (microcomputers)1,0001999
San Mateo County Community College District Financing Corporation650-358-6740San MateoColleges And Universities1,000—
Bea Systems, Inc.650-506-7000San JoseComputer Software Development1,0002008
Mills-Peninsula Health Services650-696-5400BurlingameGeneral Medical And Surgical Hospitals9391998
HP Inc.650-857-1501LittletonElectronic Computers900—

Where they are

San Mateo 7,479Redwood City 6,557Palo Alto 6,441Mountain View 5,002Burlingame 4,034Menlo Park 3,679South San Francisco 3,676San Carlos 2,968Los Altos 2,659Daly City 2,584San Bruno 2,033Belmont 1,806Foster City 1,628Pacifica 1,613Half Moon Bay 1,152Millbrae 1,148San Francisco 812East Palo Alto 627San Jose 534Hillsborough 463

Directory listings in area code 650

8 listings from the YPState archive use this area code.

Bondarev VladislavDaly City, California650-992-2796Coyle TDaly City, California650-991-7144Fabiano Leonard PDaly City, California650-994-0883Gamble MarylnDaly City, California650-755-5654Garcia ElaineDaly City, California650-755-2041Manio ManuelDaly City, California650-991-2558White FeliciaDaly City, California650-992-8287Wojcinski FeliciaDaly City, California650-991-6907

ZIP codes in area code 650

Postal codes recorded against prefixes in this area code.

940029400594014940199402094022940249403094038940409404194043940449406094061940629406394065940669407094080940859408694089941039410494105941079410894111941129412794131943019430394304943059430694401944029440394404945369453894539951019511095112951139513195134

Phone prefixes in area code 650

Each prefix (the first three digits after the area code) is assigned to a carrier and a service area. Showing the first 200 of 800.

PrefixCityCountyCarrierTypeIn service
650-200San MateoSan MateoO1 Communications, Inc.Landline1997-07-06
650-201San BrunoSan MateoSprint Spectrum L.p.Wireless2001-06-30
650-202San MateoSan MateoThe Telephone Connection Local Services, LlcWireless2001-03-03
650-203—————
650-204San FranciscoSan FranciscoTw Telecom Of California LpLandline1999-05-10
650-205San BrunoSan MateoUsa Mobility Wireless, Inc.Wireless1998-08-14
650-206Redwood CitySan MateoMpower Communications CorpLandline1999-02-27
650-207Redwood CitySan MateoCellco Partnership Dba Verizon WirelessWireless1998-11-20
650-208Redwood CitySan MateoCellco Partnership Dba Verizon WirelessWireless1998-11-20
650-209San JoseSanta ClaraU.s. Telepacific Corp.Landline1999-05-10
650-210Mountain ViewSanta ClaraPacific BellLandline1999-05-10
650-211—————
650-212San MateoSan MateoPacific BellLandline1999-05-10
650-213Palo AltoSanta ClaraPacific BellLandline1999-05-10
650-214Mountain ViewSanta ClaraMci Worldcom Communications, Inc., CaLandline2007-02-15
650-215Mountain ViewSanta ClaraGlobal Crossing Local Services, Inc.-CaLandline1999-05-10
650-216Redwood CitySan MateoPacific BellLandline1999-05-10
650-217San MateoSan MateoUsa Mobility Wireless, Inc.Wireless1998-08-14
650-218BrisbaneSan MateoSprint Spectrum L.p.Wireless1998-08-14
650-219San BrunoSan MateoSprint Spectrum L.p.Wireless1998-08-14
650-220San MateoSan MateoAmerican Messaging Services, LlcWireless1998-08-14
650-221Redwood CitySan MateoAmerican Messaging Services, LlcWireless1998-08-14
650-222San MateoSan MateoSprint Spectrum L.p.Wireless1998-11-20
650-223Palo AltoSanta ClaraMpower Communications CorpLandline1997-07-06
650-224Mountain ViewSanta ClaraNew Cingular Wireless Pcs, LlcWireless1998-11-20
650-225San BrunoSan MateoPacific BellLandline1997-07-06
650-226Redwood CitySan MateoMci Worldcom Communications, Inc., CaLandline1997-07-06
650-227San MateoSan MateoXo California, Inc.Landline1998-08-14
650-228San BrunoSan MateoXo California, Inc.Landline1998-08-14
650-229FremontAlamedaXo California, Inc.Landline1998-08-14
650-230FremontAlamedaXo California, Inc.Landline1998-08-14
650-231MillbraeSan MateoXo California, Inc.Landline1998-08-14
650-232Redwood CitySan MateoXo California, Inc.Landline1998-08-14
650-233Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-234Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-235San MateoSan MateoBrooks Fiber Communications Of CaliforniaLandline1997-07-06
650-236Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-237Mountain ViewSanta ClaraPacific BellLandline1997-07-06
650-238San BrunoSan MateoMci Worldcom Communications, Inc., CaLandline1997-07-06
650-239MillbraeSan MateoPac - West Telecomm, Inc.Landline1998-08-14
650-240San MateoSan MateoPac - West Telecomm, Inc.Landline1998-08-14
650-241Redwood CitySan MateoLevel 3 Communications, LlcLandline1998-08-14
650-242San MateoSan MateoLevel 3 Communications, LlcLandline1998-08-14
650-243San BrunoSan MateoU.s. Telepacific Corp.Landline1999-02-27
650-244San BrunoSan MateoPacific BellLandline1997-07-06
650-245San MateoSan MateoNew Cingular Wireless Pcs, LlcWireless1998-11-20
650-246San BrunoSan MateoPacific BellLandline1997-07-06
650-247Palo AltoSanta ClaraAmerican Messaging Services, LlcWireless1998-11-20
650-248Palo AltoSanta ClaraSprint Spectrum L.p.Wireless2000-06-13
650-249Redwood CitySan MateoPac - West Telecomm, Inc.Landline1999-07-22
650-250—————
650-251Palo AltoSanta ClaraPacific BellLandline1999-07-22
650-252Palo AltoSanta ClaraPeerless Network Of California, LlcLandline2012-04-13
650-253Mountain ViewSanta ClaraMci Worldcom Communications, Inc., CaLandline2004-04-27
650-254Mountain ViewSanta ClaraPacific BellLandline1997-07-06
650-255San BrunoSan MateoNew Cingular Wireless Pcs, LlcWireless1999-02-27
650-256San BrunoSan MateoAmerican Messaging Services, LlcWireless1999-07-22
650-257Redwood CitySan MateoGlobal Crossing Local Services, Inc.-CaLandline1999-07-22
650-258Palo AltoSanta ClaraTeleport Communications Group - San FranciscoLandline2011-09-13
650-259MillbraeSan MateoPacific BellLandline1997-07-06
650-260Redwood CitySan MateoAt&t LocalLandline1998-11-20
650-261Redwood CitySan MateoPacific BellLandline1997-07-06
650-262PescaderoSan MateoLevel 3 Communications, LlcLandline1998-11-20
650-263Moss BeachSan MateoMci Worldcom Communications, Inc., CaLandline1999-07-22
650-264Redwood CitySan MateoAt&t LocalLandline1999-02-27
650-265Mountain ViewSanta ClaraAt&t LocalLandline1998-08-14
650-266San BrunoSan MateoPacific BellLandline1997-07-06
650-267San FranciscoSan FranciscoLevel 3 Communications, LlcLandline1998-11-20
650-268PescaderoSan MateoXo California, Inc.Landline1999-07-22
650-269Palo AltoSanta ClaraCellco Partnership Dba Verizon WirelessWireless1999-07-22
650-270San BrunoSan MateoSprint Spectrum L.p.Wireless1998-11-20
650-271San FranciscoSan FranciscoMetro Pcs, Inc.Wireless2001-08-22
650-272FremontAlamedaXo California, Inc.Landline2013-08-19
650-273San BrunoSan MateoAstound Broadband, LlcLandline1999-10-13
650-274BrisbaneSan MateoSprint Spectrum L.p.Wireless1999-07-22
650-275Redwood CitySan MateoXo California, Inc.Landline1999-07-22
650-276Half Moon BaySan MateoTw Telecom Of California LpLandline1999-07-22
650-277Redwood CitySan Mateo33 Wireless Inc.Wireless1998-11-20
650-278San MateoSan MateoT-Mobile Usa, Inc.Wireless2001-12-27
650-279Mountain ViewSanta ClaraCellco Partnership Dba Verizon WirelessWireless1999-07-22
650-280Mountain ViewSanta ClaraSprint Spectrum L.p.Wireless1999-05-10
650-281BrisbaneSan MateoSprint Spectrum L.p.Wireless1999-07-22
650-282Mountain ViewSanta ClaraAstound Broadband, LlcLandline1999-10-13
650-283Palo AltoSanta ClaraT-Mobile Usa, Inc.Wireless2001-12-27
650-284Half Moon BaySan MateoPac - West Telecomm, Inc.Landline1999-07-22
650-285Palo AltoSanta ClaraBandwidth.com Clec, LlcLandline2013-10-21
650-286San MateoSan MateoPacific BellLandline1997-07-06
650-287San MateoSan MateoPacific BellLandline1997-07-06
650-288San MateoSan MateoLevel 3 Communications, LlcLandline1998-11-20
650-289Palo AltoSanta ClaraPacific BellLandline2000-01-14
650-290PacificaSan MateoMetro Pcs, Inc.Landline2001-08-22
650-291San BrunoSan MateoCellco Partnership Dba Verizon WirelessWireless1999-07-22
650-292San MateoSan MateoBroadwing Communications, LlcLandline1998-11-20
650-293San MateoSan MateoPacific BellLandline1998-11-20
650-294San MateoSan MateoPacific BellLandline1997-07-06
650-295San MateoSan MateoPacific BellLandline1997-07-06
650-296San BrunoSan MateoNew Cingular Wireless Pcs, LlcWireless1999-07-22
650-297PescaderoSan MateoTw Telecom Of California LpLandline1999-07-22
650-298Redwood CitySan MateoPacific BellLandline1998-11-20
650-299Redwood CitySan MateoPacific BellLandline1997-07-06
650-300Palo AltoSanta ClaraCf Communications, Llc Dba TelekenexLandline2012-09-18
650-301Daly CitySan MateoPacific BellLandline1997-07-06
650-302MillbraeSan MateoNew Cingular Wireless Pcs, LlcWireless1999-10-13
650-303San BrunoSan MateoNew Cingular Wireless Pcs, LlcWireless1999-10-13
650-304————2000-01-14
650-305Los AltosSanta ClaraT-Mobile Usa, Inc.Wireless2002-09-19
650-306Redwood CitySan MateoPacific BellLandline1997-07-06
650-307MillbraeSan MateoT-Mobile Usa, Inc.Wireless2001-12-27
650-308StanfordSanta ClaraPacific BellLandline2010-12-23
650-309—————
650-310—————
650-311—————
650-312San MateoSan MateoPacific BellLandline1997-07-06
650-313—————
650-314Mountain ViewSanta ClaraPacific BellLandline1998-11-20
650-315BrisbaneSan MateoSprint Spectrum L.p.Wireless1999-10-13
650-316Mountain ViewSanta ClaraTeleport Communications Group - San FranciscoLandline1997-07-06
650-317Mountain ViewSanta ClaraUsa Mobility Wireless, Inc.Wireless1997-07-06
650-318Mountain ViewSanta ClaraPacific BellLandline1998-11-20
650-319SunnyvaleSanta ClaraAllegiance Telecom, Inc.Landline1999-02-27
650-320Palo AltoSanta ClaraPacific BellLandline1998-11-20
650-321Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-322Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-323Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-324Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-325Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-326Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-327Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-328Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-329Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-330Palo AltoSanta ClaraPacific BellLandline1998-11-20
650-331Palo AltoSanta ClaraBroadwing Communications, LlcLandline1998-11-20
650-332Redwood CitySan MateoPac - West Telecomm, Inc.Landline1998-11-20
650-333San BrunoSan MateoSprint Spectrum L.p.Wireless1998-11-20
650-334————2000-01-14
650-335Mountain ViewSanta ClaraPacific BellLandline1997-07-06
650-336Mountain ViewSanta ClaraPacific BellLandline1997-07-06
650-337PescaderoSan MateoO1 Communications, Inc.Landline1999-07-22
650-338Half Moon BaySan MateoT-Mobile Usa, Inc.Wireless2014-11-03
650-339Redwood CitySan MateoCellco Partnership Dba Verizon WirelessWireless1999-05-10
650-340San MateoSan MateoPacific BellLandline1997-07-06
650-341San MateoSan MateoPacific BellLandline1997-07-06
650-342San MateoSan MateoPacific BellLandline1997-07-06
650-343San MateoSan MateoPacific BellLandline1997-07-06
650-344San MateoSan MateoPacific BellLandline1997-07-06
650-345San MateoSan MateoPacific BellLandline1997-07-06
650-346BrisbaneSan MateoSprint Spectrum L.p.Wireless1999-05-10
650-347San MateoSan MateoPacific BellLandline1997-07-06
650-348San MateoSan MateoPacific BellLandline1997-07-06
650-349San MateoSan MateoPacific BellLandline1997-07-06
650-350San MateoSan MateoPacific BellLandline1999-05-10
650-351San FranciscoSan FranciscoGlobal Crossing Local Services, Inc.-CaLandline1999-05-10
650-352Palo AltoSanta ClaraGlobal Crossing Local Services, Inc.-CaLandline1999-05-10
650-353Palo AltoSanta ClaraLevel 3 Communications, LlcLandline1998-11-20
650-354Palo AltoSanta ClaraPacific BellLandline1997-07-06
650-355PacificaSan MateoPacific BellLandline1997-07-06
650-356San MateoSan MateoPacific BellLandline1998-11-20
650-357San MateoSan MateoPacific BellLandline1998-08-14
650-358San MateoSan MateoPacific BellLandline1997-07-06
650-359PacificaSan MateoPacific BellLandline1997-07-06
650-360San BrunoSan MateoPac - West Telecomm, Inc.Landline1999-05-10
650-361Redwood CitySan MateoPacific BellLandline1997-07-06
650-362Redwood CitySan MateoAllegiance Telecom, Inc.Landline1999-02-27
650-363Redwood CitySan MateoPacific BellLandline1997-07-06
650-364Redwood CitySan MateoPacific BellLandline1997-07-06
650-365Redwood CitySan MateoPacific BellLandline1997-07-06
650-366Redwood CitySan MateoPacific BellLandline1997-07-06
650-367Redwood CitySan MateoPacific BellLandline1997-07-06
650-368Redwood CitySan MateoPacific BellLandline1997-07-06
650-369Redwood CitySan MateoPacific BellLandline1997-07-06
650-370Palo AltoSanta ClaraAmerican Messaging Services, LlcWireless1999-07-22
650-371San MateoSan MateoUsa Mobility Wireless, Inc.Wireless1997-07-06
650-372San MateoSan MateoPacific BellLandline1997-07-06
650-373San MateoSan MateoPacific BellLandline1997-07-06
650-374Redwood CitySan MateoAmerican Messaging Services, LlcWireless1999-07-22
650-375San MateoSan MateoPacific BellLandline1997-07-06
650-376San MateoSan MateoGlobal Crossing Local Services, Inc.-CaLandline1999-02-27
650-377San MateoSan MateoPacific BellLandline1997-07-06
650-378San MateoSan MateoPacific BellLandline1997-07-06
650-379—————
650-380Palo AltoSanta ClaraCellco Partnership Dba Verizon WirelessWireless2001-11-29
650-381Redwood CitySan MateoPacific BellLandline2001-03-03
650-382Palo AltoSanta ClaraTw Telecom Of California LpLandline2014-10-16
650-383San JoseSanta ClaraTeleport Communications Group - San FranciscoLandline1999-10-13
650-384Palo AltoSanta ClaraTeleport Communications Group - San FranciscoLandline1999-10-13
650-385Redwood CitySan MateoTeleport Communications Group - San FranciscoLandline1999-10-13
650-386San JoseSanta ClaraTeleport Communications Group - San FranciscoLandline1999-10-13
650-387Palo AltoSanta ClaraNew Cingular Wireless Pcs, LlcWireless2001-03-03
650-388Palo AltoSanta ClaraMcimetro Access Transmission Services LlcLandline1998-08-14
650-389San MateoSan MateoMcimetro Access Transmission Services LlcLandline1998-08-14
650-390Mountain ViewSanta ClaraPacific BellLandline1997-07-06
650-391Palo AltoSanta ClaraTw Telecom Of California LpLandline1998-08-14
650-392San FranciscoSan FranciscoTw Telecom Of California LpLandline1998-08-14
650-393San MateoSan MateoTw Telecom Of California LpLandline1998-08-14
650-394Redwood CitySan MateoTw Telecom Of California LpLandline1998-08-14
650-395Redwood CitySan MateoTw Telecom Of California LpLandline1998-08-14
650-396Mountain ViewSanta ClaraT-Mobile Usa, Inc.Landline1998-08-14
650-397Los AltosSanta ClaraO1 Communications, Inc.Landline1999-05-10
650-398————2000-01-14
650-399Redwood CitySan MateoO1 Communications, Inc.Landline2001-06-30

Frequently asked questions

Where is area code 650?

Area code 650 serves California, including Palo Alto. It covers 22 cities across 4 counties, in the Pacific time zone.

What time is it in area code 650?

Area code 650 observes Pacific time (UTC-08:00). The current local time is approximately 1:57 PM.

When was area code 650 introduced?

The earliest phone prefix recorded in area code 650 was put in service on 1997-07-06. The most recent was activated on 2015-09-11.

Is a call from 650 safe to answer?

Our directory holds 1,911 caller reports covering 542 numbers in area code 650. A valid area code does not guarantee a legitimate caller, since numbers can be spoofed.

What cities are in area code 650?

The largest places served by area code 650 are Palo Alto, San Mateo, Redwood City, Mountain View, San Bruno, San Francisco, San Carlos, Millbrae. In total it covers 22 cities across 4 counties.

How is a 650 phone number written?

A number in this area code is written +1 (650) XXX-XXXX in international format, or (650) XXX-XXXX domestically. The +1 is the country code shared by the United States, Canada and other NANP members.

Can scammers fake a 650 number?

Yes. Caller ID was built without verification, so a caller can display almost any number. Scammers often pick a number matching the area code of the person they are calling — known as neighbour spoofing — because a local-looking call is answered more often. The US industry response, STIR/SHAKEN, lets carriers sign and verify caller ID, but coverage is still incomplete.

Why do I get calls from numbers with my own area code?

Almost always neighbour spoofing: the caller fabricates a number sharing your area code, and sometimes your prefix, so the call looks like it comes from someone nearby. A matching area code is not evidence that the caller is local.

How do I report a spam call from 650?

Report unwanted calls to the FTC at reportfraud.ftc.gov, and add your number to the Do Not Call registry at donotcall.gov. Include the caller ID number even if you believe it was spoofed — regulators use the pattern of reports, not the individual number.

Other area codes in California

Area code 20965 citiesArea code 2134 citiesArea code 31020 citiesArea code 32325 citiesArea code 40814 citiesArea code 41516 citiesArea code 42417 citiesArea code 44227 citiesArea code 51020 citiesArea code 530127 citiesArea code 55959 citiesArea code 56218 cities

Where this data comes from

Different parts of this page carry different levels of reliability. Here is what each one rests on.

DataBased onReliabilityCovers
Area code & prefix dataNANPA prefix recordshighcompiled 2018
Caller reportsconsumer-submitted reportsconsumer-reported2015–2017 archive
Directory listingsYPState archivehigh2004–2020
Business recordscommercial business registermediumcompiled 2018

About the caller reports: these were submitted by members of the public and are not verified. They record what a caller ID displayed and what the recipient made of the call — they are not proof of who owns a number, and because caller ID can be faked, a reported number may have nothing to do with the person actually calling.

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