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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-456 A Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-456 0 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-456 1 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      
610-456 2 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228   2005-08-18   
610-456 3 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228   2005-08-18   
610-456 4 Hellertown PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-456 5 Hellertown PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2021-11-05   
610-456 6 Hellertown PA PHLAPAFGXAY  2514 US LEC OF PENNSYLVANIA, INC. 228   2007-06-02   
610-456 7 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228   2010-04-04   
610-456 8 Hellertown PA PHLBPAMYDS4  5494 NETCARRIER TELECOM, INC. - PA 228   2009-06-16   
610-456 9 Hellertown PA ALTWPAAEDS0  7341 XO COMMUNICATIONS SERVICES, INC. - PA 228      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.