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: LARCPALMDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-325 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-353 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 0 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 1 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 2 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 3 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 7 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 8 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-355 9 Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-356 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-359 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-661 A Philadelphia Suburban Zone 22 PA 9208 VERIZON PENNSYLVANIA, INC. 228      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.