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: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-491 A Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 0 Philadelphia Suburban Zone 30 PA KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
610-491 1 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 2 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 3 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 4 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 5 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 6 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 7 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 8 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-491 9 Philadelphia Suburban Zone 30 PA KGPRPAKPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.