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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-440 A Frisco City AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2021-03-24   
251-440 0 Frisco City AL   604E ONVOY, LLC - AL 480   2021-03-24   
251-440 1 Frisco City AL   624H ONVOY SPECTRUM, LLC 480   2021-08-21   
251-440 2 Frisco City AL   506J TWILIO INTERNATIONAL INC 480   2021-04-22   
251-440 3 Frisco City AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-440 4 Frisco City AL   604E ONVOY, LLC - AL 480   2021-03-24   
251-440 5 Frisco City AL   604E ONVOY, LLC - AL 480   2021-03-26   
251-440 6 Frisco City AL   604E ONVOY, LLC - AL 480   2021-03-26   
251-440 7 Frisco City AL   604E ONVOY, LLC - AL 480   2021-03-26   
251-440 8 Frisco City AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-440 9 Frisco City AL   624H ONVOY SPECTRUM, LLC 480   2021-08-21   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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