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: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 979

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-979 A Atglen PA PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228      
610-979 0 Atglen PA   318J COMCAST IP PHONE, LLC 228   2008-12-15   
610-979 1 Atglen PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2009-04-10   
610-979 2 Atglen PA   624H ONVOY SPECTRUM, LLC 228   2024-10-26   
610-979 3 Atglen PA   145J TERRA NOVA TELECOM INC. 228   2025-08-01   
610-979 6 Atglen PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2016-03-21   
610-979 7 Atglen PA   508J CENTURYLINK COMMUNICATIONS, LLC 228   2017-10-05   
610-979 8 Atglen PA   422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 228   2012-07-02   
610-979 9 Atglen PA   073H TELNYX LLC 228   2021-02-18   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.