Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-438 A Plano TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-06-29   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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