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: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-774 A Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 0 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 1 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 2 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 3 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 4 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 5 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 6 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 7 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-774 8 Allentown (Lehigh) PA LPTPPAMAGT2  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-774 9 Allentown (Lehigh) PA ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.