Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-900 A Excel AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-900 0 Excel AL   604E ONVOY, LLC - AL 480   2019-03-07   
251-900 1 Excel AL   604E ONVOY, LLC - AL 480   2019-07-07   
251-900 2 Excel AL   604E ONVOY, LLC - AL 480   2020-07-27   
251-900 3 Excel AL   624H ONVOY SPECTRUM, LLC 480   2020-09-04   
251-900 4 Excel AL   604E ONVOY, LLC - AL 480   2021-02-22   
251-900 5 Excel AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-900 6 Excel AL   604E ONVOY, LLC - AL 480   2020-12-02   
251-900 7 Excel AL   604E ONVOY, LLC - AL 480   2020-12-02   
251-900 8 Excel AL   073H TELNYX LLC 480   2020-05-01   
251-900 9 Excel AL   965H FRACTEL, LLC 480   2020-07-06   

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

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