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.

OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
442-666 2 Palm Desert CA PLSPCAXG06Z  973   2013-03-18   
445-338 A Philadelphia Suburban Zone 42 PA PHLAPAFGXOY  228   2026-03-26   
445-338 2 Philadelphia Suburban Zone 42 PA PHLAPAFGXOY  228   2026-03-26   
445-338 3 Philadelphia Suburban Zone 42 PA PHLAPAFGXOY  228   2026-03-26   
448-258 A Gulf Breeze FL   44813   2026-09-29   
448-258 7 Gulf Breeze FL   44813   2026-09-29   
458-403 A Albany OR   670   2026-09-29   
458-403 2 Albany OR   670   2026-09-29   
469-256 5 Ennis TX DLLSTXHW6MD  552   2010-12-23   
469-296 2 Prosper TX DLLSTXHW6MD  552   2010-12-23   
469-344 7 Plano TX DLLSTXHW6MD  552   2015-03-24   
469-447 A Crandall TX DLLSTXHW6MD  552      
469-466 3 Dallas TX DLLSTXHW6MD  552   2016-05-29   
469-497 3 Plano TX DLLSTXHW6MD  552   2018-12-29   
469-535 5 Frisco TX DLLSTXHW6MD  552   2014-03-31   
469-548 6 Waxahachie TX DLLSTXHW6MD  552   2010-12-23   
469-564 7 Venus TX DLLSTXHW6MD  552   2019-12-02   
469-627 9 Dallas TX DLLSTXHW6MD  552   2019-07-20   
469-637 A Lewisville TX DLLSTXHW6MD  552      
469-637 0 Lewisville TX   552      
469-637 2 Lewisville TX   552      
469-637 3 Lewisville TX   552      
469-637 5 Lewisville TX   552      
469-637 6 Lewisville TX   552      
469-637 7 Lewisville TX   552      
469-654 6 Crandall TX DLLSTXHW6MD  552   2014-03-31   
469-672 0 Midlothian TX DLLSTXHW6MD  552   2010-12-23   
469-687 2 Dallas TX DLLSTXHW6MD  552   2016-09-12   
469-687 3 Dallas TX DLLSTXHW6MD  552   2016-09-12   
469-687 4 Dallas TX DLLSTXHW6MD  552   2016-09-12   
469-697 5 Dallas TX DLLSTXHW6MD  552   2017-12-22   
469-701 7 Carrollton TX DLLSTXHW6MD  552   2014-03-08   
469-701 8 Carrollton TX DLLSTXHW6MD  552   2014-03-08   
469-723 4 Royse City TX DLLSTXHW6MD  552   2010-12-23   
469-757 6 Rockwall TX DLLSTXHW6MD  552   2010-12-23   
469-765 8 De Soto TX DLLSTXHW6MD  552   2007-07-15   
469-791 7 Dallas TX DLLSTXHW6MD  552   2017-12-22   
469-917 4 Dallas TX DLLSTXHW6MD  552   2015-09-04   
469-947 1 Irving TX DLLSTXHW6MD  552   2021-11-08   
472-288 A Rockingham NC WLMGNCFOXGZ  428   2026-05-26   
472-288 5 Rockingham NC WLMGNCFOXGZ  428   2026-05-26   
472-289 A Troy NC GNBONCCKX5Y  424   2026-06-23   
472-289 3 Troy NC GNBONCCKX5Y  424   2026-06-23   
472-998 A Pinehurst NC FYVLNCXAX2Z  949   2026-03-30   
472-998 2 Pinehurst NC PHLAPAFGXOY  949   2026-03-30   
472-998 3 Pinehurst NC PHLAPAFGXOY  949   2026-03-30   
502-870 A Louisville KY   462   2026-11-17   
502-870 7 Louisville KY   462   2026-11-17   
505-963 A Albuquerque NM ALBQNMMAXBZ  664   2026-04-28   
505-963 7 Albuquerque NM ALBQNMMAXBZ  664   2026-04-28   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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