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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-230 A Corvallis OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-230 0 Corvallis OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-230 1 Corvallis OR EUGNOR53X4Y  318J COMCAST IP PHONE, LLC 670   2007-07-16   
541-230 2 Corvallis OR EUGNOR53XXX  073H TELNYX LLC 670   2020-08-30   
541-230 3 Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2018-03-08   
541-230 4 Corvallis OR   6529 T-MOBILE USA, INC. 670      
541-230 5 Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2006-10-12   
541-230 6 Corvallis OR EUGNOR53X1X  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 670   2016-06-24   
541-230 7 Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2019-09-20   
541-230 8 Corvallis OR EUGNORAEGMD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2013-08-29   
541-230 9 Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-09-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.