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: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-592 A Cave Junction OR MDFDOR87PS0  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670      
458-592 0 Cave Junction OR MDFDOR87PS0  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670      
458-592 1 Cave Junction OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670      
458-592 3 Cave Junction OR EUGNOR53XGY  6349 UNITED STATES CELLULAR - OR 670      
458-592 7 Cave Junction OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
458-592 8 Cave Junction OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.