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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
656-400 A Tampa Central FL TAMPFLDEXMD  965H FRACTEL, LLC 952      
656-400 0 Tampa Central FL   965H FRACTEL, LLC 952   2022-05-05   
656-400 1 Tampa Central FL   073H TELNYX LLC 952   2022-07-28   
656-400 2 Tampa Central FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 952   2022-05-09   
656-400 3 Tampa Central FL   073H TELNYX LLC 952   2022-07-28   
656-400 4 Tampa Central FL   965H FRACTEL, LLC 952   2022-05-05   
656-400 5 Tampa Central FL   937C ONVOY, LLC - FL 952   2022-09-11   
656-400 6 Tampa Central FL   624H ONVOY SPECTRUM, LLC 952   2022-08-07   
656-400 7 Tampa Central FL   624H ONVOY SPECTRUM, LLC 952   2022-08-07   
656-400 8 Tampa Central FL   624H ONVOY SPECTRUM, LLC 952   2022-08-07   
656-400 9 Tampa Central FL   624H ONVOY SPECTRUM, LLC 952   2022-08-07   

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

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