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: 879

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-879 A White City OR WHCYORXX4MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670      
541-879 0 White City OR WHCYORXX4MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2007-07-05   
541-879 1 White City OR WHCYORXX4MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2008-07-25   
541-879 2 White City OR EUGNOR53QMD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 670   2009-01-13   
541-879 3 White City OR WHCYORXX4MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2012-07-16   
541-879 4 White City OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670   2021-07-24   
541-879 5 White City OR EUGNOR53X5Y  506J TWILIO INTERNATIONAL, INC. 670   2021-01-16   
541-879 6 White City OR EUGNOR53X1X  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 670   2013-05-15   
541-879 7 White City OR MDFDORRJDS0  826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-07   
541-879 8 White City OR EUGNOR53XIX  5562 METROPCS, INC. 670   2014-10-25   
541-879 9 White City OR EUGNOR53XIX  5562 METROPCS, INC. 670   2014-10-25   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.