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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-278 A Athens AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-278 0 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-278 1 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-278 2 Athens AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-278 3 Athens AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-278 4 Athens AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-278 5 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-278 6 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-278 7 Athens AL HNVIALUNXJY  508J CENTURYLINK COMMUNICATIONS, LLC 477      
256-278 8 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-278 9 Athens AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.