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: 205 [Rate centres in NPA 205] [Dial plan for NPA 205]

NXX: 751

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
205-751 A Carbon Hill AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-751 0 Carbon Hill AL   604E ONVOY, LLC - AL 476   2018-09-20   
205-751 1 Carbon Hill AL   604E ONVOY, LLC - AL 476   2019-03-11   
205-751 2 Carbon Hill AL   604E ONVOY, LLC - AL 476   2019-04-28   
205-751 3 Carbon Hill AL   604E ONVOY, LLC - AL 476   2018-08-24   
205-751 4 Carbon Hill AL   604E ONVOY, LLC - AL 476   2019-04-28   
205-751 5 Carbon Hill AL   604E ONVOY, LLC - AL 476   2020-01-04   
205-751 6 Carbon Hill AL   604E ONVOY, LLC - AL 476   2020-01-04   
205-751 7 Carbon Hill AL   604E ONVOY, LLC - AL 476   2020-01-04   
205-751 8 Carbon Hill AL   604E ONVOY, LLC - AL 476   2019-03-11   
205-751 9 Carbon Hill AL   073H TELNYX LLC 476   2018-10-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.