Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-818 A Francisco AL NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470   2025-01-27   
256-818 0 Francisco AL   829J PAETEC ITEL, LLC 470   2010-09-04   
256-818 1 Francisco AL   073H TELNYX LLC 470   2019-07-05   
256-818 3 Francisco AL   604E ONVOY, LLC - AL 470   2016-04-14   
256-818 4 Francisco AL   604E ONVOY, LLC - AL 470   2016-04-14   
256-818 5 Francisco AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 470   2023-01-05   
256-818 6 Francisco AL   604E ONVOY, LLC - AL 470   2023-05-01   
256-818 7 Francisco AL   508J CENTURYLINK COMMUNICATIONS, LLC 470   2014-03-17   
256-818 8 Francisco AL   604E ONVOY, LLC - AL 470   2018-12-21   
256-818 9 Francisco AL   604E ONVOY, LLC - AL 470   2018-12-21   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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