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: 725

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-725 A Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 0 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 1 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 2 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 5 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 6 Philadelphia Suburban Zone 28 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2022-09-26   
610-725 7 Philadelphia Suburban Zone 28 PA   145J TERRA NOVA TELECOM INC. 228   2021-01-04   
610-725 8 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-725 9 Philadelphia Suburban Zone 28 PA PAOLPAPADS0  9208 VERIZON PENNSYLVANIA, INC. 228      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.