INTERNATIONAL CALLING CODES

United States city and number prefixes

Search documented cities, regions and telephone prefixes. These are numbering references, not numbers available to buy.

All international calling codes
United StatesCountry calling code: +1

100 of 29106 documented prefixes

  • San Francisco, CACity / region number prefixes
    Number prefix415931International: +1415931
  • San Francisco, CACity / region number prefixes
    Number prefix415933International: +1415933
  • San Francisco, CACity / region number prefixes
    Number prefix415954International: +1415954
  • San Francisco, CACity / region number prefixes
    Number prefix415956International: +1415956
  • San Francisco, CACity / region number prefixes
    Number prefix415957International: +1415957
  • San Francisco, CACity / region number prefixes
    Number prefix415970International: +1415970
  • San Francisco, CACity / region number prefixes
    Number prefix415974International: +1415974
  • San Francisco, CACity / region number prefixes
    Number prefix415979International: +1415979
  • San Jacinto, CACity / region number prefixes
    Number prefix951487International: +1951487
  • San Jacinto, CACity / region number prefixes
    Number prefix951654International: +1951654
  • San Jn Bautista, CACity / region number prefixes
    Number prefix831623International: +1831623
  • San Jose, CACity / region number prefixes
    Number prefix40822International: +140822
  • San Jose, CACity / region number prefixes
    Number prefix40826International: +140826
  • San Jose, CACity / region number prefixes
    Number prefix40827International: +140827
  • San Jose, CACity / region number prefixes
    Number prefix40828International: +140828
  • San Jose, CACity / region number prefixes
    Number prefix40829International: +140829
  • San Jose, CACity / region number prefixes
    Number prefix40897International: +140897
  • San Jose, CACity / region number prefixes
    Number prefix408216International: +1408216
  • San Jose, CACity / region number prefixes
    Number prefix408217International: +1408217
  • San Jose, CACity / region number prefixes
    Number prefix408238International: +1408238
  • San Jose, CACity / region number prefixes
    Number prefix408251International: +1408251
  • San Jose, CACity / region number prefixes
    Number prefix408254International: +1408254
  • San Jose, CACity / region number prefixes
    Number prefix408258International: +1408258
  • San Jose, CACity / region number prefixes
    Number prefix408259International: +1408259
  • San Jose, CACity / region number prefixes
    Number prefix408321International: +1408321
  • San Jose, CACity / region number prefixes
    Number prefix408347International: +1408347
  • San Jose, CACity / region number prefixes
    Number prefix408360International: +1408360
  • San Jose, CACity / region number prefixes
    Number prefix408362International: +1408362
  • San Jose, CACity / region number prefixes
    Number prefix408363International: +1408363
  • San Jose, CACity / region number prefixes
    Number prefix408365International: +1408365
  • San Jose, CACity / region number prefixes
    Number prefix408392International: +1408392
  • San Jose, CACity / region number prefixes
    Number prefix408432International: +1408432
  • San Jose, CACity / region number prefixes
    Number prefix408433International: +1408433
  • San Jose, CACity / region number prefixes
    Number prefix408435International: +1408435
  • San Jose, CACity / region number prefixes
    Number prefix408436International: +1408436
  • San Jose, CACity / region number prefixes
    Number prefix408437International: +1408437
  • San Jose, CACity / region number prefixes
    Number prefix408441International: +1408441
  • San Jose, CACity / region number prefixes
    Number prefix408445International: +1408445
  • San Jose, CACity / region number prefixes
    Number prefix408448International: +1408448
  • San Jose, CACity / region number prefixes
    Number prefix408451International: +1408451
  • San Jose, CACity / region number prefixes
    Number prefix408452International: +1408452
  • San Jose, CACity / region number prefixes
    Number prefix408453International: +1408453
  • San Jose, CACity / region number prefixes
    Number prefix408528International: +1408528
  • San Jose, CACity / region number prefixes
    Number prefix408531International: +1408531
  • San Jose, CACity / region number prefixes
    Number prefix408532International: +1408532
  • San Jose, CACity / region number prefixes
    Number prefix408535International: +1408535
  • San Jose, CACity / region number prefixes
    Number prefix408564International: +1408564
  • San Jose, CACity / region number prefixes
    Number prefix408573International: +1408573
  • San Jose, CACity / region number prefixes
    Number prefix408578International: +1408578
  • San Jose, CACity / region number prefixes
    Number prefix408629International: +1408629
  • San Jose, CACity / region number prefixes
    Number prefix408723International: +1408723
  • San Jose, CACity / region number prefixes
    Number prefix408729International: +1408729
  • San Jose, CACity / region number prefixes
    Number prefix408885International: +1408885
  • San Jose, CACity / region number prefixes
    Number prefix408918International: +1408918
  • San Jose, CACity / region number prefixes
    Number prefix408920International: +1408920
  • San Jose, CACity / region number prefixes
    Number prefix408923International: +1408923
  • San Jose, CACity / region number prefixes
    Number prefix408926International: +1408926
  • San Jose, CACity / region number prefixes
    Number prefix408927International: +1408927
  • San Jose, CACity / region number prefixes
    Number prefix408929International: +1408929
  • San Jose, CACity / region number prefixes
    Number prefix408937International: +1408937
  • San Jose, CACity / region number prefixes
    Number prefix408947International: +1408947
  • San Jose, CACity / region number prefixes
    Number prefix408954International: +1408954
  • San Jose, CACity / region number prefixes
    Number prefix408993International: +1408993
  • San Jose, CACity / region number prefixes
    Number prefix408995International: +1408995
  • San Jose, CACity / region number prefixes
    Number prefix408997International: +1408997
  • San Jose, CACity / region number prefixes
    Number prefix408998International: +1408998
  • San Leandro, CACity / region number prefixes
    Number prefix510317International: +1510317
  • San Leandro, CACity / region number prefixes
    Number prefix510346International: +1510346
  • San Leandro, CACity / region number prefixes
    Number prefix510351International: +1510351
  • San Leandro, CACity / region number prefixes
    Number prefix510352International: +1510352
  • San Leandro, CACity / region number prefixes
    Number prefix510357International: +1510357
  • San Leandro, CACity / region number prefixes
    Number prefix510481International: +1510481
  • San Leandro, CACity / region number prefixes
    Number prefix510483International: +1510483
  • San Leandro, CACity / region number prefixes
    Number prefix510614International: +1510614
  • San Leandro, CACity / region number prefixes
    Number prefix510667International: +1510667
  • San Leandro, CACity / region number prefixes
    Number prefix510895International: +1510895
  • San Luis Obispo, CACity / region number prefixes
    Number prefix80554International: +180554
  • San Luis Obispo, CACity / region number prefixes
    Number prefix805439International: +1805439
  • San Luis Obispo, CACity / region number prefixes
    Number prefix805595International: +1805595
  • San Luis Obispo, CACity / region number prefixes
    Number prefix805781International: +1805781
  • San Luis Obispo, CACity / region number prefixes
    Number prefix805782International: +1805782
  • San Luis Obispo, CACity / region number prefixes
    Number prefix805783International: +1805783
  • San Marcos, CACity / region number prefixes
    Number prefix760471International: +1760471
  • San Marcos, CACity / region number prefixes
    Number prefix760510International: +1760510
  • San Marcos, CACity / region number prefixes
    Number prefix760591International: +1760591
  • San Marcos, CACity / region number prefixes
    Number prefix760736International: +1760736
  • San Marcos, CACity / region number prefixes
    Number prefix760744International: +1760744
  • San Marcos, CACity / region number prefixes
    Number prefix760752International: +1760752
  • San Marcos, CACity / region number prefixes
    Number prefix760798International: +1760798
  • San Marcos, TXCity / region number prefixes
    Number prefix512353International: +1512353
  • San Marcos, TXCity / region number prefixes
    Number prefix512392International: +1512392
  • San Marcos, TXCity / region number prefixes
    Number prefix512393International: +1512393
  • San Marcos, TXCity / region number prefixes
    Number prefix512396International: +1512396
  • San Marcos, TXCity / region number prefixes
    Number prefix512754International: +1512754
  • San Marcos, TXCity / region number prefixes
    Number prefix512805International: +1512805
  • San Marcos, TXCity / region number prefixes
    Number prefix512878International: +1512878
  • San Martin, CACity / region number prefixes
    Number prefix408683International: +1408683
  • San Mateo, CACity / region number prefixes
    Number prefix65057International: +165057
  • San Mateo, CACity / region number prefixes
    Number prefix650212International: +1650212
  • San Mateo, CACity / region number prefixes
    Number prefix650312International: +1650312

Area codes identify dialing regions. More detailed number prefixes identify allocated ranges and may include subscriber digits. City coverage varies by country; a prefix does not establish a subscriber’s current location or available numbers.