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: 938 [Rate centres in NPA 938] [Dial plan for NPA 938]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
938-240 A Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2024-04-06   
938-240 0 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2024-04-06   
938-240 1 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2024-04-06   
938-240 2 Sheffield AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2024-06-20   
938-240 3 Sheffield AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2024-06-20   
938-240 4 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2024-07-12   
938-240 8 Sheffield AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2024-09-19   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.