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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

  • Oklahoma City, OKCity / region number prefixes
    Number prefix405848International: +1405848
  • Oklahoma City, OKCity / region number prefixes
    Number prefix405858International: +1405858
  • Oklahoma City, OKCity / region number prefixes
    Number prefix405879International: +1405879
  • Oklahoma City, OKCity / region number prefixes
    Number prefix405917International: +1405917
  • Oklahoma City, OKCity / region number prefixes
    Number prefix405936International: +1405936
  • Oklahoma City, OKCity / region number prefixes
    Number prefix405951International: +1405951
  • Okmulgee, OKCity / region number prefixes
    Number prefix918756International: +1918756
  • Okmulgee, OKCity / region number prefixes
    Number prefix918758International: +1918758
  • Okolona, MSCity / region number prefixes
    Number prefix662447International: +1662447
  • Olathe, COCity / region number prefixes
    Number prefix970323International: +1970323
  • Olathe, KSCity / region number prefixes
    Number prefix913254International: +1913254
  • Olathe, KSCity / region number prefixes
    Number prefix913390International: +1913390
  • Olathe, KSCity / region number prefixes
    Number prefix913393International: +1913393
  • Olathe, KSCity / region number prefixes
    Number prefix913397International: +1913397
  • Olathe, KSCity / region number prefixes
    Number prefix913715International: +1913715
  • Olathe, KSCity / region number prefixes
    Number prefix913764International: +1913764
  • Olathe, KSCity / region number prefixes
    Number prefix913768International: +1913768
  • Olathe, KSCity / region number prefixes
    Number prefix913780International: +1913780
  • Olathe, KSCity / region number prefixes
    Number prefix913782International: +1913782
  • Olathe, KSCity / region number prefixes
    Number prefix913791International: +1913791
  • Olathe, KSCity / region number prefixes
    Number prefix913829International: +1913829
  • Old Bridge Township, NJCity / region number prefixes
    Number prefix732607International: +1732607
  • Old Bridge Township, NJCity / region number prefixes
    Number prefix732679International: +1732679
  • Old Forge, NYCity / region number prefixes
    Number prefix315369International: +1315369
  • Old Fort, NCCity / region number prefixes
    Number prefix828668International: +1828668
  • Old Hickory, TNCity / region number prefixes
    Number prefix615847International: +1615847
  • Old Lyme, CTCity / region number prefixes
    Number prefix860434International: +1860434
  • Old Orchard Bch, MECity / region number prefixes
    Number prefix207934International: +1207934
  • Old Saybrook, CTCity / region number prefixes
    Number prefix860388International: +1860388
  • Old Saybrook, CTCity / region number prefixes
    Number prefix860395International: +1860395
  • Old Saybrook, CTCity / region number prefixes
    Number prefix860510International: +1860510
  • Old Town, FLCity / region number prefixes
    Number prefix352542International: +1352542
  • Old Town, MECity / region number prefixes
    Number prefix207827International: +1207827
  • Oldsmar, FLCity / region number prefixes
    Number prefix813855International: +1813855
  • Oldtown, IDCity / region number prefixes
    Number prefix208437International: +1208437
  • Olean, NYCity / region number prefixes
    Number prefix716372International: +1716372
  • Olean, NYCity / region number prefixes
    Number prefix716373International: +1716373
  • Olean, NYCity / region number prefixes
    Number prefix716375International: +1716375
  • Oley, PACity / region number prefixes
    Number prefix610987International: +1610987
  • Olive Branch, MSCity / region number prefixes
    Number prefix662890International: +1662890
  • Olive Branch, MSCity / region number prefixes
    Number prefix662893International: +1662893
  • Olive Branch, MSCity / region number prefixes
    Number prefix662895International: +1662895
  • Olive Hill, KYCity / region number prefixes
    Number prefix606286International: +1606286
  • Oliver Springs, TNCity / region number prefixes
    Number prefix865435International: +1865435
  • Olivia, MNCity / region number prefixes
    Number prefix320523International: +1320523
  • Olla, LACity / region number prefixes
    Number prefix318495International: +1318495
  • Olney, ILCity / region number prefixes
    Number prefix618392International: +1618392
  • Olney, ILCity / region number prefixes
    Number prefix618395International: +1618395
  • Olney, MDCity / region number prefixes
    Number prefix301260International: +1301260
  • Olney, MDCity / region number prefixes
    Number prefix301570International: +1301570
  • Olney, MDCity / region number prefixes
    Number prefix301774International: +1301774
  • Olney, TXCity / region number prefixes
    Number prefix940564International: +1940564
  • Olympia, WACity / region number prefixes
    Number prefix360236International: +1360236
  • Olympia, WACity / region number prefixes
    Number prefix360259International: +1360259
  • Olympia, WACity / region number prefixes
    Number prefix360292International: +1360292
  • Olympia, WACity / region number prefixes
    Number prefix360350International: +1360350
  • Olympia, WACity / region number prefixes
    Number prefix360352International: +1360352
  • Olympia, WACity / region number prefixes
    Number prefix360357International: +1360357
  • Olympia, WACity / region number prefixes
    Number prefix360402International: +1360402
  • Olympia, WACity / region number prefixes
    Number prefix360413International: +1360413
  • Olympia, WACity / region number prefixes
    Number prefix360438International: +1360438
  • Olympia, WACity / region number prefixes
    Number prefix360459International: +1360459
  • Olympia, WACity / region number prefixes
    Number prefix360491International: +1360491
  • Olympia, WACity / region number prefixes
    Number prefix360493International: +1360493
  • Olympia, WACity / region number prefixes
    Number prefix360528International: +1360528
  • Olympia, WACity / region number prefixes
    Number prefix360570International: +1360570
  • Olympia, WACity / region number prefixes
    Number prefix360584International: +1360584
  • Olympia, WACity / region number prefixes
    Number prefix360701International: +1360701
  • Olympia, WACity / region number prefixes
    Number prefix360704International: +1360704
  • Olympia, WACity / region number prefixes
    Number prefix360705International: +1360705
  • Olympia, WACity / region number prefixes
    Number prefix360709International: +1360709
  • Olympia, WACity / region number prefixes
    Number prefix360753International: +1360753
  • Olympia, WACity / region number prefixes
    Number prefix360754International: +1360754
  • Olympia, WACity / region number prefixes
    Number prefix360786International: +1360786
  • Olympia, WACity / region number prefixes
    Number prefix360789International: +1360789
  • Olympia, WACity / region number prefixes
    Number prefix360791International: +1360791
  • Olympia, WACity / region number prefixes
    Number prefix360866International: +1360866
  • Olympia, WACity / region number prefixes
    Number prefix360867International: +1360867
  • Olympia, WACity / region number prefixes
    Number prefix360870International: +1360870
  • Olympia, WACity / region number prefixes
    Number prefix360878International: +1360878
  • Olympia, WACity / region number prefixes
    Number prefix360902International: +1360902
  • Olympia, WACity / region number prefixes
    Number prefix360915International: +1360915
  • Olympia, WACity / region number prefixes
    Number prefix360923International: +1360923
  • Olympia, WACity / region number prefixes
    Number prefix360943International: +1360943
  • Olympia, WACity / region number prefixes
    Number prefix360956International: +1360956
  • Omaha, NECity / region number prefixes
    Number prefix40234International: +140234
  • Omaha, NECity / region number prefixes
    Number prefix40239International: +140239
  • Omaha, NECity / region number prefixes
    Number prefix40255International: +140255
  • Omaha, NECity / region number prefixes
    Number prefix402280International: +1402280
  • Omaha, NECity / region number prefixes
    Number prefix402330International: +1402330
  • Omaha, NECity / region number prefixes
    Number prefix402331International: +1402331
  • Omaha, NECity / region number prefixes
    Number prefix402333International: +1402333
  • Omaha, NECity / region number prefixes
    Number prefix402334International: +1402334
  • Omaha, NECity / region number prefixes
    Number prefix402339International: +1402339
  • Omaha, NECity / region number prefixes
    Number prefix402354International: +1402354
  • Omaha, NECity / region number prefixes
    Number prefix402403International: +1402403
  • Omaha, NECity / region number prefixes
    Number prefix402408International: +1402408
  • Omaha, NECity / region number prefixes
    Number prefix402431International: +1402431
  • Omaha, NECity / region number prefixes
    Number prefix402444International: +1402444
  • Omaha, NECity / region number prefixes
    Number prefix402445International: +1402445

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.

National numbering planNumbering reference