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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-544 A Philadelphia Zone 1 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
445-544 0 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-02-19   
445-544 1 Philadelphia Zone 1 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-02-19   
445-544 2 Philadelphia Zone 1 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2018-09-11   
445-544 3 Philadelphia Zone 1 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2018-09-11   
445-544 4 Philadelphia Zone 1 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2018-07-30   
445-544 5 Philadelphia Zone 1 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2018-09-11   
445-544 6 Philadelphia Zone 1 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2018-09-11   
445-544 7 Philadelphia Zone 1 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2018-09-11   
445-544 8 Philadelphia Zone 1 PA PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2019-05-20   
445-544 9 Philadelphia Zone 1 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2021-03-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.