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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-424 A Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 0 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 1 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 2 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 3 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 4 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 5 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 6 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 7 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 8 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
610-424 9 Allentown (Lehigh) PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.