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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-587 A Philadelphia Zone 1 PA   114J EXIANT COMMUNICATIONS LLC 228   2026-03-22   
445-587 8 Philadelphia Zone 1 PA   114J EXIANT COMMUNICATIONS LLC 228   2026-03-22   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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