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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-312 A Philadelphia Suburban Zone 41 PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-09-05   
445-312 0 Philadelphia Suburban Zone 41 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2024-09-15   
445-312 1 Philadelphia Suburban Zone 41 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2024-09-15   
445-312 6 Philadelphia Suburban Zone 41 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-01-12   
445-312 8 Philadelphia Suburban Zone 41 PA   547E ONVOY, LLC - PA 228   2025-02-02   
445-312 9 Philadelphia Suburban Zone 41 PA PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-09-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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