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: 662 [Rate centres in NPA 662] [Dial plan for NPA 662]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
662-637 A Slate Springs MS SLSPMSXARP0  0448 CALHOUN CITY TEL. CO., INC. 482      
662-637 0 Slate Springs MS SLSPMSXARP0  0448 CALHOUN CITY TEL. CO., INC. 482      
662-637 2 Slate Springs MS SLSPMSXARP0  0448 CALHOUN CITY TEL. CO., INC. 482      
662-637 7 Slate Springs MS JCSNMSCP64Z  6396 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 482      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.