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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-863 A Huntsville AL HNVIALUNXAZ  553J WHITESKY COMMUNICATIONS, LLC 477      
256-863 0 Huntsville AL HNVIAL03X8Y  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-863 1 Huntsville AL HNVIALUNXAZ  553J WHITESKY COMMUNICATIONS, LLC 477      
256-863 2 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477      
256-863 3 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-863 4 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477      
256-863 5 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-863 6 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-863 7 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-863 8 Huntsville AL HNVIAL03X8Y  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-863 9 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.