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: NRTWPANRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
484-322 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
484-622 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-239 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-270 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-272 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-275 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-277 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-278 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-279 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-292 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-313 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-731 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.