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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
430-702 3 Gladewater TX   554   2014-04-04   
430-702 4 Gladewater TX   554   2014-04-04   
430-777 5 Troup TX   552   2015-07-10   
430-788 1 Big Sandy TX   554   2024-04-12   
432-218 A Midland TX   542      
432-327 A Monahans TX   542      
432-328 A Crane TX   542      
432-355 A Andrews TX   542      
432-606 A Big Spring TX   542      
432-701 A Terminal TX   542      
432-704 A Midland TX   542      
440-271 6 Parkman OH   320   2024-04-04   
440-621 A Bainbridge (Geauga) OH CLEVOH64XIX  320      
440-621 1 Bainbridge (Geauga) OH   320   2024-05-09   
440-757 8 Newbury OH   320   2024-04-04   
440-851 A Burton OH CLEVOH64XIX  320      
440-851 5 Burton OH   320   2022-07-15   
440-881 1 Middlefield OH   320   2024-04-04   
442-228 A Bishop CA VTVLCAXAXPX  730      
442-228 4 Bishop CA   730   2014-01-03   
442-228 5 Bishop CA   730   2014-01-03   
442-326 A Independence CA VTVLCAXAXPX  730      
442-326 5 Independence CA   730   2015-08-27   
469-202 2 Celina TX   552   2007-06-25   
469-338 0 Rockwall TX   552   2007-05-11   
469-425 1 Anna TX   552   2014-02-22   
469-474 7 Terrell TX   552   2007-05-11   
469-579 5 Frisco TX   552   2008-08-08   
469-608 3 Dallas TX   552   2014-02-22   
469-614 A Terrell TX DLLSTXRIXYY  552      
469-614 3 Terrell TX   552   2014-03-29   
469-675 4 Allen EACS TX   552   2014-06-13   
469-707 A Royse City TX DLLSTXRIXYY  552      
469-707 3 Royse City TX   552   2014-03-29   
469-715 9 Prosper TX   552   2014-02-04   
469-720 A Forney TX DLLSTXRIXYY  552      
469-720 4 Forney TX   552   2014-03-29   
469-723 3 Royse City TX   552   2007-05-11   
469-728 7 Forney TX   552   2007-05-11   
469-770 4 Kaufman TX   552   2020-08-31   
469-770 5 Kaufman TX   552   2020-08-31   
469-813 2 Celina TX   552   2014-02-22   
469-829 A Plano TX DNTNTXXAXSX  552      
469-829 8 Plano TX   552   2020-07-06   
469-829 9 Plano TX   552   2020-07-06   
469-860 3 Crandall TX   552   2019-10-31   
469-936 6 Princeton TX   552   2021-10-28   
475-209 9 New Haven CT NRWLCT02SMD  920   2014-12-05   
475-282 4 Bridgeport CT NRWLCT02SMD  920   2013-04-02   
475-282 9 Bridgeport CT NRWLCT02SMD  920   2012-09-28   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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