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: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-579 A Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 0 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 1 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 2 Eugene OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-579 3 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 4 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 5 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 6 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 7 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-579 8 Eugene OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-579 9 Eugene OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.