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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-505 A Frisco City AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480      
251-505 0 Frisco City AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2021-12-16   
251-505 1 Frisco City AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2021-12-16   
251-505 2 Frisco City AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2022-03-25   
251-505 3 Frisco City AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2022-03-25   
251-505 5 Frisco City AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2022-01-20   
251-505 6 Frisco City AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2022-01-20   
251-505 8 Frisco City AL MOBLALMTX9X  939H COMMIO, LLC 480   2022-12-10   
251-505 9 Frisco City AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2023-09-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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