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: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-458 A Hyannis NE HYNSNEXSRS0  1532 CONSOLIDATED TEL. CO. 646      
308-458 0 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 1 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 2 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 3 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 4 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 5 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 6 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      
308-458 7 Hyannis NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-458 8 Hyannis NE   6874 N.E. COLORADO CELLULAR, INC. 646      
308-458 9 Hyannis NE   1532 CONSOLIDATED TEL. CO. 646      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.