Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
843-944 A Darlington SC FLRNSCATUMD  432      
843-944 9 Darlington SC FLRNSCATUMD  432   2003-12-11   
845-660 A Amenia NY PGHKNYSHAMD  133      
845-660 9 Amenia NY PGHKNYSHAMD  133   2012-09-17   
845-704 6 Carmel NY WHPLNYWPX3X  132   2005-01-06   
845-864 A Jeffersonville NY PGHKNYFAUMD  133      
845-864 9 Jeffersonville NY PGHKNYFAUMD  133   2021-06-17   
850-360 A Graceville FL PNCYFLMAX3Y  45009      
850-360 9 Graceville FL PNCYFLMAX3Y  45009   2004-08-22   
850-564 A Milton FL PNSCFLBLX9X  44813      
850-564 9 Milton FL PNSCFLBLX9X  44813      
856-379 A Camden NJ CMDNNJCE69Z  222      
856-379 2 Camden NJ CMDNNJCE69Z  222      
856-402 A Beaver Brook NJ CMDNNJCE03Z  222      
856-402 9 Beaver Brook NJ CMDNNJCE03Z  222   2012-09-26   
856-437 A Moorestown NJ CMDNNJCE69Z  222      
856-437 1 Moorestown NJ CMDNNJCE69Z  222      
856-437 2 Moorestown NJ CMDNNJCE69Z  222      
856-438 A Merchantville NJ CMDNNJCE69Z  222      
856-438 2 Merchantville NJ CMDNNJCE69Z  222      
856-480 A Mullica Hill NJ CMDNNJCE69Z  222      
856-480 9 Mullica Hill NJ CMDNNJCE69Z  222   2021-07-06   
856-568 A Laurel Springs NJ CMDNNJCE69Z  222      
856-568 3 Laurel Springs NJ CMDNNJCE69Z  222      
856-574 A Marlton NJ CMDNNJCE69Z  222      
856-574 9 Marlton NJ CMDNNJCE69Z  222      
857-574 7 East Boston MA CMBRMA01DS4  128   2001-06-28   
858-304 A Rancho Bernardo CA SNDGCA07DS1  732      
858-304 9 Rancho Bernardo CA SNDGCA07DS1  732      
858-369 A Del Mar CA SNDGCA07DS1  732      
858-369 2 Del Mar CA SNDGCA07DS1  732      
858-369 4 Del Mar CA SNDGCA07DS1  732      
858-431 A La Jolla CA SNDGCA07DS1  732      
858-431 0 La Jolla CA SNDGCA07DS1  732      
858-431 1 La Jolla CA SNDGCA07DS1  732      
858-431 2 La Jolla CA SNDGCA07DS1  732      
858-431 3 La Jolla CA SNDGCA07DS1  732      
858-431 5 La Jolla CA SNDGCA07DS1  732      
858-431 7 La Jolla CA SNDGCA07DS1  732      
858-431 8 La Jolla CA SNDGCA07DS1  732      
858-633 A San Diego: Linda Vista DA CA SNDGCA07DS1  732      
858-633 9 San Diego: Linda Vista DA CA SNDGCA07DS1  732      
858-740 A San Diego: Mira Mesa DA CA SNDGCA07DS1  732      
858-740 2 San Diego: Mira Mesa DA CA SNDGCA07DS1  732      
859-378 A Little Rock KY WNCHKYATXPX  466      
859-378 9 Little Rock KY WNCHKYATXPX  466   2023-12-08   
860-431 A Simsbury CT NWHNCT02X5X  920      
860-431 9 Simsbury CT NWHNCT02X5X  920      
860-438 A New Britain CT NWHNCT02X5X  920      
860-438 3 New Britain CT NWHNCT02X5X  920      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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