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: 987

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-987 A Grayson AL   604E ONVOY, LLC - AL 477      
256-987 0 Grayson AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2021-11-15   
256-987 1 Grayson AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477   2023-05-28   
256-987 3 Grayson AL   476F CORETEL ALABAMA, INC. - AL 477   2021-11-06   
256-987 5 Grayson AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-04-15   
256-987 6 Grayson AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-04-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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