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.

Switch: KGPRPADODS0

<< 1 2 3 4 5 6 7 8 9 10 11 12

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-980 A Philadelphia Suburban Zone 23 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-980 7 Philadelphia Suburban Zone 23 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-997 2 Bethlehem PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-997 9 Bethlehem PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      

<< 1 2 3 4 5 6 7 8 9 10 11 12

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.