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: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-253 A Chulafinnee AL CHLFALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-253 0 Chulafinnee AL CHLFALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-253 1 Chulafinnee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-253 2 Chulafinnee AL CHLFALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-253 3 Chulafinnee AL CHLFALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-253 4 Chulafinnee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-253 5 Chulafinnee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-253 6 Chulafinnee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-253 7 Chulafinnee AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-253 8 Chulafinnee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-253 9 Chulafinnee AL CHLFALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.