Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
828-869 A Asheville NC AHVLNCOH26Z  420   2026-02-06   
828-869 0 Asheville NC AHVLNCOH26Z  420   2026-02-06   
831-901 A Monterey CA MTRYCAPMBMD  736      
831-901 2 Monterey CA MTRYCAPMBMD  736   2025-10-05   
838-301 A Albany NY ALBYNYPSLMD  134   2025-09-13   
838-301 0 Albany NY ALBYNYPSLMD  134   2025-09-13   
839-331 A Columbia SC CLMASCTLXDY  434   2026-03-06   
839-331 0 Columbia SC CLMASCTLXDY  434   2026-03-06   
845-960 A Poughkeepsie NY PGHKNYWSZMD  133      
845-960 9 Poughkeepsie NY PGHKNYWSZMD  133   2025-09-29   
854-304 A Florence SC FLRNSCMAXXY  432   2026-03-06   
854-304 0 Florence SC FLRNSCMAXXY  432   2026-03-06   
854-305 A Charleston SC CHTNSCFUJMD  436   2026-03-06   
854-305 0 Charleston SC CHTNSCFUJMD  436   2026-03-06   
856-331 A Camden NJ CMDNNJCE89Z  222   2026-01-31   
856-331 0 Camden NJ CMDNNJCE89Z  222   2026-01-31   
857-431 A Boston MA SOVLMAABHMD  128   2025-09-06   
857-431 0 Boston MA SOVLMAABHMD  128   2025-09-06   
858-384 A San Diego: Linda Vista DA CA SNDGCA0278Z  732      
858-384 9 San Diego: Linda Vista DA CA SNDGCA0278Z  732   2025-10-03   
859-478 A Winchester KY LXTNKY24XMY  466   2025-08-29   
859-478 0 Winchester KY LXTNKY24XMY  466   2025-08-29   
865-486 A Knoxville TN KNVNTNECEMD  474   2025-09-06   
865-486 0 Knoxville TN KNVNTNECEMD  474   2025-09-06   
901-784 A Memphis TN MMPHTNMAYJY  468   2026-03-23   
901-784 0 Memphis TN MMPHTNMAYJY  468   2026-03-23   
906-335 A Marquette MI MRQTMIACBMD  342   2026-03-06   
906-335 0 Marquette MI MRQTMIACBMD  342   2026-03-06   
912-859 A Savannah GA SVNHGAOBFMD  440   2025-09-15   
912-859 0 Savannah GA SVNHGAOBFMD  440   2025-09-15   
913-457 A Kansas City KS KSCYMO5506Z  524   2026-02-16   
913-457 0 Kansas City KS KSCYMO5506Z  524   2026-02-16   
915-362 A El Paso TX ELPSTXEYDMD  540   2026-03-06   
915-362 0 El Paso TX ELPSTXEYDMD  540   2026-03-06   
916-340 A Sacramento: Main DA CA SCRMCA0120Z  726      
916-340 9 Sacramento: Main DA CA SCRMCA0120Z  726   2025-10-03   
928-663 A Chinle AZ STMCAZXE8MD  980      
928-663 1 Chinle AZ STMCAZXE8MD  980   2025-09-29   
930-298 A Bloomington IN BLTNINTMX4Y  338   2026-01-30   
930-298 0 Bloomington IN BLTNINTMX4Y  338   2026-01-30   
930-299 A Terre Haute IN TRRHIN02X2X  938   2026-01-30   
930-299 0 Terre Haute IN TRRHIN02X2X  938   2026-01-30   
938-299 A Huntsville AL HNVIAL96XMX  477   2025-12-13   
938-299 0 Huntsville AL HNVIAL96XMX  477   2025-12-13   
940-408 A Wichita Falls TX WCFLTXFGKMD  548   2026-03-06   
940-408 0 Wichita Falls TX WCFLTXFGKMD  548   2026-03-06   
943-285 A Atlanta GA ATLNGAMQXDX  438   2025-09-15   
943-285 0 Atlanta GA ATLNGAMQXDX  438   2025-09-15   
945-393 A Dallas TX DLLSTX97XHX  552   2025-09-11   
945-393 0 Dallas TX DLLSTX97XHX  552   2025-09-11   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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