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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-320 A Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2025-03-30   
445-320 0 Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2025-03-30   
445-320 1 Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2025-04-11   
445-320 2 Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2025-04-11   
445-320 3 Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2025-04-11   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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