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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OCN: 824J OPENTACT INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
214-805 A Dallas TX   552   2026-04-30   
214-805 5 Dallas TX   552   2026-04-30   
225-587 A Baton Rouge LA   492   2026-04-25   
225-587 8 Baton Rouge LA   492   2026-04-25   
227-500 A Gaithersburg MD   236   2026-05-09   
227-500 0 Gaithersburg MD   236   2026-05-09   
229-587 8 Leesburg GA   444   2026-04-10   
409-226 4 Fairmount TX   562   2026-04-12   
434-639 A Lynchburg VA   250   2026-05-09   
434-639 4 Lynchburg VA   250   2026-05-09   
478-587 A Macon GA   446   2026-05-10   
478-587 8 Macon GA   446   2026-05-10   
728-587 A West Palm Beach FL   46018   2026-05-10   
728-587 8 West Palm Beach FL   46018   2026-05-10   
862-587 A Newark NJ   224   2026-05-10   
862-587 8 Newark NJ   224   2026-05-10   
863-587 A Lakeland FL   952   2026-05-10   
863-587 8 Lakeland FL   952   2026-05-10   
901-788 A Memphis TN   468   2026-05-10   
901-788 0 Memphis TN   468   2026-05-10   
948-639 A Norfolk Zone 2 VA   252   2026-05-09   
948-639 4 Norfolk Zone 2 VA   252   2026-05-09   
983-277 A Denver CO   656   2026-03-09   
983-277 4 Denver CO   656   2026-03-09   
983-587 A Denver CO   656   2026-05-10   
983-587 8 Denver CO   656   2026-05-10   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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