Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 445 [Rate centres in NPA 445] [Dial plan for NPA 445]

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-344 A Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-17   
445-344 0 Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-17   
445-344 1 Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-17   
445-344 2 Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-17   
445-344 3 Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-17   
445-344 4 Philadelphia Zone 3 PA   114J EXIANT COMMUNICATIONS LLC 228   2026-09-18   
445-344 5 Philadelphia Zone 3 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-10-15   
445-344 6 Philadelphia Zone 3 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-10-15   
445-344 7 Philadelphia Zone 3 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-10-15   
445-344 8 Philadelphia Zone 3 PA   547E ONVOY, LLC - PA 228   2026-09-18   
445-344 9 Philadelphia Zone 3 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-10-15   

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

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