Area Code 510-801 : Area Code 510-899 is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 510 8xx including 510 area code location map. Major cities such as Oakland, Berkeley, Hayward, San Francisco, Fremont covered within area code 510 8xx are also listed on this page. More area codes, including those outside of California, are on the homepage.

Reverse Lookup Detail for Area Code 510 8xx

Area code 510 covers part of Californiastate, covering most of Alameda, San Francisco, Contra Costa counties. It was started on Feb 04, 1994. This region follows (UTC-08:00) timezone. Other popular area codes that belong to California state include 209, 213, 310, 323, 408, 415, 530, 559, 562, 619, 626, 650, 661, 707, 714, 760, 805, 818, 831, 858, 909, 916, 925, 949.

Area Code 510-801 - Area Code 510-899 (Covers 510 8xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
510-801OaklandAlameda1444 803
510-802OaklandAlameda1444 804
510-803HerculesContra Costa949 805
510-804OaklandAlameda1444 806
510-805OaklandAlameda1444 807
510-807OaklandAlameda1444 809
510-808OaklandAlameda1444 810
510-809BerkeleyAlameda1444 811
510-810BerkeleyAlameda1444 812
510-812BerkeleyAlameda1444 814
510-813OaklandAlameda1444 815
510-814AlamedaAlameda1444 816
510-815El SobranteContra Costa949 817Nextel Communications
510-816OaklandAlameda1444 818At&t Wireless Services, Inc.
510-817OaklandAlameda1444 819Pacific Bell
510-818FremontAlameda1444 820Pacific Bell
510-819OaklandAlameda1444 821Network Services Llc
510-821OaklandAlameda1444 823Cellco Partnership Dba Verizon Wireless - Ca
510-823San FranciscoSan Francisco777 825Sprint Spectrum L.p.
510-824FremontAlameda1444 826Allegiance Telecom, Inc. - Ca
510-825HaywardAlameda1444 827Sprint Spectrum L.p.
510-827San FranciscoSan Francisco777 829Sprint Communications Company, L.p. - Ca
510-828HaywardAlameda1444 830Cellco Partnership Dba Verizon Wireless - Ca
510-830AlamedaAlameda1444 83201 Communications, Inc. - Ca
510-832OaklandAlameda1444 834Pacific Bell
510-834OaklandAlameda1444 836Pacific Bell
510-835OaklandAlameda1444 837Pacific Bell
510-836OaklandAlameda1444 838Pacific Bell
510-837RichmondContra Costa949 839Teleport Communications Group - San Francisco
510-839OaklandAlameda1444 841Pacific Bell
510-840OaklandAlameda1444 842Airtouch Paging - California
510-841BerkeleyAlameda1444 843Pacific Bell
510-842San FranciscoSan Francisco777 844Allegiance Telecom, Inc. - Ca
510-843BerkeleyAlameda1444 845Pacific Bell
510-844OaklandAlameda1444 846Allegiance Telecom, Inc. - Ca
510-845BerkeleyAlameda1444 847Pacific Bell
510-846OaklandAlameda1444 848Cellco Partnership Dba Verizon Wireless - Ca
510-847BerkeleyAlameda1444 849Cellco Partnership Dba Verizon Wireless - Ca
510-848BerkeleyAlameda1444 850Pacific Bell
510-849BerkeleyAlameda1444 851Pacific Bell
510-851OaklandAlameda1444 853Cellco Partnership Dba Verizon Wireless - Ca
510-852OaklandAlameda1444 854Cellco Partnership Dba Verizon Wireless - Ca
510-853OaklandAlameda1444 855Cellco Partnership Dba Verizon Wireless - Ca
510-854El SobranteContra Costa949 85601 Communications, Inc. - Ca
510-855OaklandAlameda1444 857The Telephone Connection Of Los Angeles, Inc.
510-856HaywardAlameda1444 858Allegiance Telecom, Inc. - Ca
510-857FremontAlameda1444 859Allegiance Telecom, Inc. - Ca
510-858San FranciscoSan Francisco777 860Sprint Spectrum L.p.
510-859OaklandAlameda1444 861Icg Telecom Group - Ca
510-860RichmondContra Costa949 862Level 3 Communications, Llc - Ca
510-861HaywardAlameda1444 863Pacific Bell Mobile Services
510-862HaywardAlameda1444 864Pacific Bell Mobile Services
510-863San FranciscoSan Francisco777 865Mcimetro, Ats, Inc.
510-864AlamedaAlameda1444 866Pacific Bell
510-865AlamedaAlameda1444 867Pacific Bell
510-866San FranciscoSan Francisco777 868Sprint Spectrum L.p.
510-867OaklandAlameda1444 869Nextel Communications
510-868San FranciscoSan Francisco777 870Focal Communications Corp Of California
510-869OaklandAlameda1444 871Pacific Bell
510-870Union CityAlameda1444 872Focal Communications Corp Of California
510-872San FranciscoSan Francisco777 874Sprint Spectrum L.p.
510-873OaklandAlameda1444 875Pacific Bell
510-874OaklandAlameda1444 876Pacific Bell
510-875OaklandAlameda1444 877Xo California, Inc.
510-877San FranciscoSan Francisco777 879Mci Worldcom Communications, Inc., Ca
510-878San FranciscoSan Francisco777 880Teleport Communications Group - San Francisco
510-879San FranciscoSan Francisco777 881Teleport Communications Group - San Francisco
510-880HaywardAlameda1444 882Pac - West Telecomm, Inc.
510-881HaywardAlameda1444 883Pacific Bell
510-882OaklandAlameda1444 884Cellco Partnership Dba Verizon Wireless - Ca
510-883BerkeleyAlameda1444 885Pacific Bell
510-884HaywardAlameda1444 886Pacific Bell
510-885HaywardAlameda1444 887Pacific Bell
510-886HaywardAlameda1444 888Pacific Bell
510-887HaywardAlameda1444 889Pacific Bell
510-888HaywardAlameda1444 890Pacific Bell
510-889HaywardAlameda1444 891Pacific Bell
510-891OaklandAlameda1444 893Pacific Bell
510-892HaywardAlameda1444 894Pac - West Telecomm, Inc.
510-893OaklandAlameda1444 895Pacific Bell
510-894FremontAlameda1444 896Comcast Phone Of California, Llc - Ca
510-895San LeandroAlameda1444 897Pacific Bell
510-896FremontAlameda1444 898Teleport Communications Group - San Francisco
510-897FremontAlameda1444 899Teleport Communications Group - San Francisco
510-898San FranciscoSan Francisco777 900Teleport Communications Group - San Francisco
510-899OaklandAlameda1444 901Pac - West Telecomm, Inc.


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510 Area Code

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510 Area Code Reviews provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 510-8. All USA states area codes may be found using

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External links & resources for area code 510 in California

  • CitySites Pages for California (Source: Official CitySites)
  • Wikipedia Article on Area Code 510 (Source: Wikipedia)
  • State Information Resources for California (Source: State Information)