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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-230 A Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-230 0 Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-230 1 Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-230 2 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2013-06-30   
240-230 3 Hughesville MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-230 4 Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-230 5 Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-230 6 Hughesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-230 7 Hughesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-230 8 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2022-01-01   
240-230 9 Hughesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.