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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-428 A Huxford AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480      
251-428 0 Huxford AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480      
251-428 1 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 2 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 3 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 4 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 5 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 6 Huxford AL ATMRALXAXMD  604E ONVOY, LLC - AL 480      
251-428 7 Huxford AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480      
251-428 8 Huxford AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480      
251-428 9 Huxford AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.