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: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-242 A Westtown PA KGPRPADODS0  7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-242 0 Westtown PA   145J TERRA NOVA TELECOM INC. 228   2021-01-03   
610-242 2 Westtown PA PHLAPAFGGT9  1703 BROADVIEW NETWORKS, INC. - PA 228   2004-12-16   
610-242 3 Westtown PA PHLAPAMKXGZ  3115 CTC COMMUNICATIONS CORP. - PA 228   2011-06-22   
610-242 4 Westtown PA PHLAPAFGGT8  3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
610-242 6 Westtown PA PHLAPAFGGT8  3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-15   
610-242 7 Westtown PA PHLAPAFGGT8  3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
610-242 8 Westtown PA PHLAPAFGGT8  3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
610-242 9 Westtown PA KGPRPADODS0  7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.