Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 514

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-514 A Severn MD DRCRMDDCDS0  9212 VERIZON MARYLAND, INC. 238      
410-514 0 Severn MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD 238   2003-02-27   
410-514 1 Severn MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-514 2 Severn MD BLTMMD91DS1  2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
410-514 3 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-14   
410-514 4 Severn MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2007-07-13   
410-514 5 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-10-23   
410-514 6 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-26   
410-514 7 Severn MD DRCRMDDCDS0  9212 VERIZON MARYLAND, INC. 238      
410-514 8 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-07   
410-514 9 Severn MD DRCRMDDCDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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