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: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-278 A Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 0 Columbia PA HRBGPAHAXUX  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226      
223-278 1 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 2 Columbia PA HRBGPAGU7MD  516J TON80 COMMUNICATIONS, LLC 226      
223-278 3 Columbia PA HRBGPAHAXUX  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226      
223-278 4 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 5 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 6 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 7 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 8 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      
223-278 9 Columbia PA CHBGPAXCZMD  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.