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: 829

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-829 A Corvallis OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-829 0 Corvallis OR   6529 T-MOBILE USA, INC. 670      
541-829 1 Corvallis OR   6529 T-MOBILE USA, INC. 670      
541-829 2 Corvallis OR   6010 NEW CINGULAR WIRELESS PCS, LLC 670   2012-04-18   
541-829 3 Corvallis OR   6529 T-MOBILE USA, INC. 670      
541-829 4 Corvallis OR   750E ONVOY, LLC - OR 670   2021-06-17   
541-829 5 Corvallis OR   750E ONVOY, LLC - OR 670   2021-06-17   
541-829 6 Corvallis OR   750E ONVOY, LLC - OR 670   2021-06-17   
541-829 7 Corvallis OR   750E ONVOY, LLC - OR 670   2021-06-17   
541-829 8 Corvallis OR   6529 T-MOBILE USA, INC. 670   2011-09-03   
541-829 9 Corvallis OR   5562 METROPCS, INC. 670      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.