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.

NPA: 445 [Rate centres in NPA 445] [Dial plan for NPA 445]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-333 A Quakertown PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
445-333 0 Quakertown PA   145J TERRA NOVA TELECOM INC. 228   2026-01-19   
445-333 1 Quakertown PA   5562 METROPCS, INC. 228   2018-03-17   
445-333 2 Quakertown PA   002F BANDWIDTH.COM CLEC, LLC - PA 228   2018-04-07   
445-333 3 Quakertown PA   547E ONVOY, LLC - PA 228   2018-03-16   
445-333 4 Quakertown PA   002F BANDWIDTH.COM CLEC, LLC - PA 228   2019-08-30   
445-333 5 Quakertown PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2020-04-29   
445-333 6 Quakertown PA   318J COMCAST IP PHONE, LLC 228   2020-04-02   
445-333 7 Quakertown PA   547E ONVOY, LLC - PA 228   2018-03-16   
445-333 8 Quakertown PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2024-11-22   
445-333 9 Quakertown PA   197D VONAGE AMERICA LLC 228   2024-01-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.