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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
938-320 A Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 0 Cullman AL   604E ONVOY, LLC - AL 477   2026-08-14   
938-320 1 Cullman AL   624H ONVOY SPECTRUM, LLC 477   2026-08-14   
938-320 2 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 3 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 4 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 5 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 6 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 7 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 8 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   
938-320 9 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2026-04-14   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.