Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Sat, 20 Sep 2014 21:25:14 UTC

How to use this page

NPA: 910 [Rate centres in NPA 910] [Dial plan for NPA 910]

NXX: 854

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
910-854 A Bolivia NC 580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL [link] 428 map
910-854 0 Bolivia NC 580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL [link] 428



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