Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-230 2 Hughesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-06-30   
240-230 3 Hughesville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-230 6 Hughesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-230 7 Hughesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-230 8 Hughesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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