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: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-502 A Gold Hill OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-502 0 Gold Hill OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2012-03-19   
541-502 1 Gold Hill OR   750E ONVOY, LLC - OR 670   2012-09-26   
541-502 2 Gold Hill OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-502 3 Gold Hill OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-502 4 Gold Hill OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-502 5 Gold Hill OR   750E ONVOY, LLC - OR 670   2013-01-22   
541-502 6 Gold Hill OR   750E ONVOY, LLC - OR 670   2013-01-22   
541-502 7 Gold Hill OR   508J CENTURYLINK COMMUNICATIONS, LLC 670   2014-04-10   
541-502 8 Gold Hill OR   750E ONVOY, LLC - OR 670   2016-04-04   
541-502 9 Gold Hill OR   750E ONVOY, LLC - OR 670   2016-04-04   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.