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
917-781 0 New York City Zone 01 NY NYCMNYBX0MD  132   2018-02-12   
928-327 5 Prescott AZ PHNXAZ28YMD  666   2019-02-09   
928-666 7 Flagstaff AZ PHNXAZ28YMD  666   2019-04-07   
928-988 8 Yuma AZ PHNXAZ28YMD  666   2019-02-16   
929-506 A New York City Zone 03 NY NYCMNYBX0MD  132      
929-506 1 New York City Zone 03 NY NYCMNYBX0MD  132   2019-03-25   
929-590 1 New York City Zone 08 NY NYCMNYBX0MD  132   2019-03-25   
929-630 A New York City Zone 07 NY NYCMNYBX0MD  132      
929-630 1 New York City Zone 07 NY NYCMNYBX0MD  132   2019-03-25   
936-376 A Dayton TX   560   2026-03-29   
936-376 0 Dayton TX   560   2026-03-29   
936-800 0 Nacogdoches TX HSTNTXYALMD  560   2020-07-03   
938-318 A Anniston AL   476   2026-02-19   
938-318 0 Anniston AL   476   2026-02-19   
938-324 A Cullman AL   477   2026-06-13   
938-324 0 Cullman AL   477   2026-06-13   
941-253 0 Bradenton FL TAMSFLDEX0X  952   2019-07-24   
941-446 A Palmetto FL   952   2026-06-13   
941-446 0 Palmetto FL   952   2026-06-13   
941-529 0 Sarasota FL TAMSFLDEX0X  952   2019-07-17   
943-310 A Atlanta GA   438   2026-03-29   
943-310 0 Atlanta GA   438   2026-03-29   
949-561 1 Irvine CA LSANCARCY2X  730   2019-08-04   
954-429 6 Deerfield Beach FL MIAMFL98X4X  46017   2019-07-11   
954-669 A Fort Lauderdale FL MIAMFL98X4X  46017      
954-669 1 Fort Lauderdale FL MIAMFL98X4X  46017   2019-03-25   
979-800 0 Garwood TX HSTNTXYALMD  560   2020-07-03   
980-423 A Charlotte NC CHRLNCTAXQY  422      
980-423 1 Charlotte NC CHRLNCTAXQY  422   2019-08-08   
983-233 A Denver CO   656   2026-07-10   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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