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: CHBGPAXCZMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-992 5 Columbia PA 6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2016-02-04   
717-992 7 Columbia PA 6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2015-04-11   
717-992 8 Columbia PA 6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2015-04-11   
717-992 9 Columbia PA 6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2015-02-07   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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