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: ARMRPAARDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-642 A Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 A Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 0 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 1 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 3 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 4 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 5 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 6 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 7 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 8 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-645 9 Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-649 A Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-658 A Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-896 A Philadelphia Suburban Zone 24 PA 9208 VERIZON PENNSYLVANIA, INC. 228      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.