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: 622

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-622 A Medford OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2025-03-05   
541-622 0 Medford OR   750E ONVOY, LLC - OR 670      
541-622 1 Medford OR   6529 T-MOBILE USA, INC. 670   2021-06-25   
541-622 2 Medford OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2011-06-04   
541-622 3 Medford OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2011-06-04   
541-622 4 Medford OR   5562 METROPCS, INC. 670   2012-07-13   
541-622 5 Medford OR   6010 NEW CINGULAR WIRELESS PCS, LLC 670   2011-09-12   
541-622 6 Medford OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670   2010-08-16   
541-622 7 Medford OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2011-05-12   
541-622 8 Medford OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2011-09-16   
541-622 9 Medford OR   5562 METROPCS, INC. 670   2011-07-18   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.