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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-931 A Clear Springs AL CNTMFLLEDS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 44813      
251-931 0 Clear Springs AL PNSCFLWAXFY  604E ONVOY, LLC - AL 44813   2020-02-06   
251-931 1 Clear Springs AL PNSCFLWAXFY  604E ONVOY, LLC - AL 44813   2016-04-29   
251-931 2 Clear Springs AL PNSCFLFPX1X  624H ONVOY SPECTRUM, LLC 44813   2021-10-18   
251-931 3 Clear Springs AL CNTMFLLEDS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 44813      
251-931 4 Clear Springs AL PNSCFLWAXFY  604E ONVOY, LLC - AL 44813   2021-01-15   
251-931 5 Clear Springs AL PNSCFLFPX1X  624H ONVOY SPECTRUM, LLC 44813   2021-10-18   
251-931 6 Clear Springs AL PNSCFLWAXFY  604E ONVOY, LLC - AL 44813   2019-01-31   
251-931 7 Clear Springs AL FTWBFLXAX5X  508J CENTURYLINK COMMUNICATIONS, LLC 44813   2014-07-30   
251-931 8 Clear Springs AL PNSCFLWAXFY  604E ONVOY, LLC - AL 44813   2019-01-31   
251-931 9 Clear Springs AL FTWBFLXAHMD  072F BANDWIDTH.COM CLEC, LLC - AL 44813   2019-06-02   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.