Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 656 [Rate centres in NPA 656] [Dial plan for NPA 656]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
656-257 A Tampa North FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2025-06-20   
656-257 8 Tampa North FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2025-06-20   
656-257 9 Tampa North FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2025-06-20   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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