Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

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Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 237

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
972-237 Grand Prairie TX DLLSTXGPCG0 9533 SOUTHWESTERN BELL [link] 552 map


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