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: 778

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-778 A Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-778 0 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2004-11-18   
541-778 1 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2006-03-05   
541-778 2 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2004-12-14   
541-778 3 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2004-12-14   
541-778 4 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2005-01-11   
541-778 5 Medford OR EUGNOR53XFX  5562 METROPCS, INC. 670   2007-09-05   
541-778 6 Medford OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2005-07-07   
541-778 7 Medford OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2006-04-06   
541-778 8 Medford OR EUGNOR53XFX  5562 METROPCS, INC. 670   2005-12-21   
541-778 9 Medford OR EUGNOR53XFX  5562 METROPCS, INC. 670   2005-10-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.