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   
445-320 4 Philadelphia Zone 1 PA   490J BOOST SUBSCRIBERCO L.L.C. 228   2025-08-25   
445-320 5 Philadelphia Zone 1 PA   490J BOOST SUBSCRIBERCO L.L.C. 228   2025-10-27   
445-320 6 Philadelphia Zone 1 PA   490J BOOST SUBSCRIBERCO L.L.C. 228   2025-11-17   
445-320 7 Philadelphia Zone 1 PA   732J NUSO, LLC 228   2025-06-13   
445-320 8 Philadelphia Zone 1 PA   732J NUSO, LLC 228   2025-06-13   
445-320 9 Philadelphia Zone 1 PA   547E ONVOY, LLC - PA 228   2026-04-11   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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