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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

  • Rock Hill, SCCity / region number prefixes
    Number prefix803327International: +1803327
  • Rock Hill, SCCity / region number prefixes
    Number prefix803328International: +1803328
  • Rock Hill, SCCity / region number prefixes
    Number prefix803329International: +1803329
  • Rock Hill, SCCity / region number prefixes
    Number prefix803366International: +1803366
  • Rock Hill, SCCity / region number prefixes
    Number prefix803980International: +1803980
  • Rock Hill, SCCity / region number prefixes
    Number prefix803981International: +1803981
  • Rock Hill, SCCity / region number prefixes
    Number prefix803985International: +1803985
  • Rock Island, ILCity / region number prefixes
    Number prefix309732International: +1309732
  • Rock Island, ILCity / region number prefixes
    Number prefix309786International: +1309786
  • Rock Island, ILCity / region number prefixes
    Number prefix309788International: +1309788
  • Rock Island, ILCity / region number prefixes
    Number prefix309793International: +1309793
  • Rock Island, ILCity / region number prefixes
    Number prefix309794International: +1309794
  • Rock Island, TNCity / region number prefixes
    Number prefix931686International: +1931686
  • Rock Port, MOCity / region number prefixes
    Number prefix660744International: +1660744
  • Rock Rapids, IACity / region number prefixes
    Number prefix712472International: +1712472
  • Rock Springs, WYCity / region number prefixes
    Number prefix307352International: +1307352
  • Rock Springs, WYCity / region number prefixes
    Number prefix307362International: +1307362
  • Rock Springs, WYCity / region number prefixes
    Number prefix307382International: +1307382
  • Rock Valley, IACity / region number prefixes
    Number prefix712476International: +1712476
  • Rockaway Beach, ORCity / region number prefixes
    Number prefix503355International: +1503355
  • Rockdale, TXCity / region number prefixes
    Number prefix512446International: +1512446
  • Rockford, ILCity / region number prefixes
    Number prefix81539International: +181539
  • Rockford, ILCity / region number prefixes
    Number prefix81596International: +181596
  • Rockford, ILCity / region number prefixes
    Number prefix779423International: +1779423
  • Rockford, ILCity / region number prefixes
    Number prefix815226International: +1815226
  • Rockford, ILCity / region number prefixes
    Number prefix815227International: +1815227
  • Rockford, ILCity / region number prefixes
    Number prefix815229International: +1815229
  • Rockford, ILCity / region number prefixes
    Number prefix815316International: +1815316
  • Rockford, ILCity / region number prefixes
    Number prefix815332International: +1815332
  • Rockford, ILCity / region number prefixes
    Number prefix815484International: +1815484
  • Rockford, ILCity / region number prefixes
    Number prefix815489International: +1815489
  • Rockford, ILCity / region number prefixes
    Number prefix815490International: +1815490
  • Rockford, ILCity / region number prefixes
    Number prefix815708International: +1815708
  • Rockford, ILCity / region number prefixes
    Number prefix815874International: +1815874
  • Rockford, ILCity / region number prefixes
    Number prefix815971International: +1815971
  • Rockford, ILCity / region number prefixes
    Number prefix815977International: +1815977
  • Rockford, ILCity / region number prefixes
    Number prefix815986International: +1815986
  • Rockford, ILCity / region number prefixes
    Number prefix815987International: +1815987
  • Rockford, MICity / region number prefixes
    Number prefix616863International: +1616863
  • Rockford, MICity / region number prefixes
    Number prefix616866International: +1616866
  • Rockford, MICity / region number prefixes
    Number prefix616874International: +1616874
  • Rockford, MNCity / region number prefixes
    Number prefix763477International: +1763477
  • Rockingham, NCCity / region number prefixes
    Number prefix910417International: +1910417
  • Rockingham, NCCity / region number prefixes
    Number prefix910895International: +1910895
  • Rockingham, NCCity / region number prefixes
    Number prefix910997International: +1910997
  • Rockland, MECity / region number prefixes
    Number prefix207594International: +1207594
  • Rockland, MECity / region number prefixes
    Number prefix207596International: +1207596
  • Rocklin, CACity / region number prefixes
    Number prefix916315International: +1916315
  • Rocklin, CACity / region number prefixes
    Number prefix916435International: +1916435
  • Rocklin, CACity / region number prefixes
    Number prefix916624International: +1916624
  • Rocklin, CACity / region number prefixes
    Number prefix916625International: +1916625
  • Rocklin, CACity / region number prefixes
    Number prefix916630International: +1916630
  • Rocklin, CACity / region number prefixes
    Number prefix916632International: +1916632
  • Rockmart, GACity / region number prefixes
    Number prefix770684International: +1770684
  • Rockport, INCity / region number prefixes
    Number prefix812649International: +1812649
  • Rockport, MACity / region number prefixes
    Number prefix978546International: +1978546
  • Rockport, TXCity / region number prefixes
    Number prefix361727International: +1361727
  • Rockport, TXCity / region number prefixes
    Number prefix361729International: +1361729
  • Rockport, TXCity / region number prefixes
    Number prefix361790International: +1361790
  • Rocksprings, TXCity / region number prefixes
    Number prefix830683International: +1830683
  • Rockton, ILCity / region number prefixes
    Number prefix815624International: +1815624
  • Rockville Centre, NYCity / region number prefixes
    Number prefix516705International: +1516705
  • Rockville Centre, NYCity / region number prefixes
    Number prefix516764International: +1516764
  • Rockville, INCity / region number prefixes
    Number prefix765569International: +1765569
  • Rockville, MDCity / region number prefixes
    Number prefix240314International: +1240314
  • Rockville, MDCity / region number prefixes
    Number prefix240403International: +1240403
  • Rockville, MDCity / region number prefixes
    Number prefix240777International: +1240777
  • Rockville, MDCity / region number prefixes
    Number prefix301217International: +1301217
  • Rockville, MDCity / region number prefixes
    Number prefix301230International: +1301230
  • Rockville, MDCity / region number prefixes
    Number prefix301231International: +1301231
  • Rockville, MDCity / region number prefixes
    Number prefix301251International: +1301251
  • Rockville, MDCity / region number prefixes
    Number prefix301279International: +1301279
  • Rockville, MDCity / region number prefixes
    Number prefix301294International: +1301294
  • Rockville, MDCity / region number prefixes
    Number prefix301309International: +1301309
  • Rockville, MDCity / region number prefixes
    Number prefix301315International: +1301315
  • Rockville, MDCity / region number prefixes
    Number prefix301340International: +1301340
  • Rockville, MDCity / region number prefixes
    Number prefix301424International: +1301424
  • Rockville, MDCity / region number prefixes
    Number prefix301468International: +1301468
  • Rockville, MDCity / region number prefixes
    Number prefix301545International: +1301545
  • Rockville, MDCity / region number prefixes
    Number prefix301610International: +1301610
  • Rockville, MDCity / region number prefixes
    Number prefix301738International: +1301738
  • Rockville, MDCity / region number prefixes
    Number prefix301762International: +1301762
  • Rockville, MDCity / region number prefixes
    Number prefix301770International: +1301770
  • Rockville, MDCity / region number prefixes
    Number prefix301816International: +1301816
  • Rockville, MDCity / region number prefixes
    Number prefix301838International: +1301838
  • Rockville, MDCity / region number prefixes
    Number prefix301881International: +1301881
  • Rockville, MDCity / region number prefixes
    Number prefix301984International: +1301984
  • Rockville, VACity / region number prefixes
    Number prefix804749International: +1804749
  • Rockwall, TXCity / region number prefixes
    Number prefix214771International: +1214771
  • Rockwall, TXCity / region number prefixes
    Number prefix972722International: +1972722
  • Rockwall, TXCity / region number prefixes
    Number prefix972771International: +1972771
  • Rockwall, TXCity / region number prefixes
    Number prefix972772International: +1972772
  • Rockwall, TXCity / region number prefixes
    Number prefix972961International: +1972961
  • Rockwell City, IACity / region number prefixes
    Number prefix712297International: +1712297
  • Rockwell, IACity / region number prefixes
    Number prefix641822International: +1641822
  • Rockwood, MICity / region number prefixes
    Number prefix734379International: +1734379
  • Rockwood, PACity / region number prefixes
    Number prefix814926International: +1814926
  • Rockwood, TNCity / region number prefixes
    Number prefix865354International: +1865354
  • Rocky Ford, COCity / region number prefixes
    Number prefix719254International: +1719254
  • Rocky Hill, CTCity / region number prefixes
    Number prefix860258International: +1860258

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