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: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 332

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-332 A Grants Pass OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2024-12-01   
458-332 0 Grants Pass OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2024-12-01   
458-332 1 Grants Pass OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2024-12-01   
458-332 2 Grants Pass OR   145J TERRA NOVA TELECOM INC. 670   2025-07-10   
458-332 9 Grants Pass OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2025-10-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.