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: Fri, 30 Jul 2010 00:36:17 UTC

How to use this page

NPA: 301 [Rate centres in NPA 301] [More information about NPA 301]

NXX: 882

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
301-882 New Market MD MTARMDSDDS0 2593 CORE COMMUNICATIONS, INC. - MD 240 2004-05-09 map
301-882-0 New Market MD 2593 CORE COMMUNICATIONS, INC. - MD 240 2004-05-09
301-882-1 New Market MD 071F BANDWIDTH.COM CLEC, LLC - MD 240 2010-06-26
301-882-7 New Market MD 107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 240 2007-04-07
301-882-9 New Market MD 395C NationsLine, Inc.-MD 240 2004-11-27

Sponsored by Execulink