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.
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Switch: CNSHPACNRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
484-230 A Philadelphia Suburban Zone 30 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
484-344 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
484-530 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-238 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-260 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-397 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-567 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-629 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-825 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-828 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-832 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-834 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-940 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-941 A Philadelphia Suburban Zone 31 PA 9208 VERIZON PENNSYLVANIA, INC. 228      

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

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