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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
656-273 A Tampa Central FL   937C ONVOY, LLC - FL 952   2026-03-20   
656-273 0 Tampa Central FL   937C ONVOY, LLC - FL 952   2026-03-20   
656-273 1 Tampa Central FL   937C ONVOY, LLC - FL 952   2026-03-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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