Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-606 A Pine Apple AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480      
251-606 0 Pine Apple AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2021-12-16   
251-606 1 Pine Apple AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480   2021-12-16   
251-606 2 Pine Apple AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2022-03-25   
251-606 3 Pine Apple AL ATMRALXAXMD  604E ONVOY, LLC - AL 480   2023-09-23   
251-606 5 Pine Apple AL MOBLALMTX9X  939H COMMIO, LLC 480   2023-09-14   
251-606 6 Pine Apple AL MOBLALMTX9X  939H COMMIO, LLC 480   2023-09-14   
251-606 7 Pine Apple AL MOBLALMTX9X  939H COMMIO, LLC 480   2023-09-14   
251-606 8 Pine Apple AL MOBLALMTX9X  939H COMMIO, LLC 480   2023-09-14   
251-606 9 Pine Apple AL MOBLALMTX9X  939H COMMIO, LLC 480   2023-09-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.