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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
656-274 A Tampa North FL   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 952   2026-05-26   
656-274 2 Tampa North FL   321J HD CARRIER LLC 952   2026-06-04   
656-274 3 Tampa North FL   321J HD CARRIER LLC 952   2026-06-04   
656-274 4 Tampa North FL   321J HD CARRIER LLC 952   2026-06-04   
656-274 5 Tampa North FL   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 952   2026-05-26   
656-274 7 Tampa North FL   321J HD CARRIER LLC 952   2026-06-04   

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

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