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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-436 A Buckeystown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-436 0 Buckeystown MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2019-06-07   
240-436 1 Buckeystown MD FRDRMDFRPMD  2589 US LEC OF MARYLAND, INC. 240   2005-04-23   
240-436 2 Buckeystown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-08-21   
240-436 3 Buckeystown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2010-11-20   
240-436 4 Buckeystown MD FRDRMDFRPMD  2589 US LEC OF MARYLAND, INC. 240   2011-02-28   
240-436 5 Buckeystown MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-11   
240-436 6 Buckeystown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-436 7 Buckeystown MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-26   
240-436 8 Buckeystown MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-436 9 Buckeystown MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-06-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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