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: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-590 A Cullman AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477      
256-590 0 Cullman AL HNVIAL96X1X  145J TERRA NOVA TELECOM INC. 477   2022-10-07   
256-590 1 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2005-10-08   
256-590 2 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2005-11-04   
256-590 3 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2006-11-16   
256-590 4 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2007-06-03   
256-590 5 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2008-07-04   
256-590 6 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2006-09-08   
256-590 7 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2007-10-29   
256-590 8 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2007-10-29   
256-590 9 Cullman AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2008-07-04   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.