Local Calling Guide

Area code/prefix search

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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-346 4 Silver Run MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-346 5 Silver Run MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
410-346 6 Silver Run MD   9212 VERIZON MARYLAND, INC. 238      
410-346 7 Silver Run MD   9212 VERIZON MARYLAND, INC. 238      
410-346 8 Silver Run MD   9212 VERIZON MARYLAND, INC. 238   2006-07-27   
410-346 9 Silver Run MD   876D ONVOY, LLC - MD 238   2016-03-28   
410-347 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-348 A Still Pond MD STPNMDSPRS0  9212 VERIZON MARYLAND, INC. 242      
410-348 0 Still Pond MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-348 2 Still Pond MD   9212 VERIZON MARYLAND, INC. 242      
410-348 3 Still Pond MD   228C IDT AMERICA CORP - MD 242   2006-05-21   
410-348 4 Still Pond MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2016-10-16   
410-348 5 Still Pond MD   9212 VERIZON MARYLAND, INC. 242      
410-348 7 Still Pond MD   876D ONVOY, LLC - MD 242   2017-04-14   
410-348 8 Still Pond MD   073H TELNYX LLC 242   2017-09-13   
410-348 9 Still Pond MD   9212 VERIZON MARYLAND, INC. 242      
410-349 A Annapolis MD STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 0 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 1 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 2 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 3 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 4 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 5 Annapolis MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-349 6 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
410-349 7 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
410-349 8 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-349 9 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
410-350 A Baltimore MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238      
410-350 0 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-350 1 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-31   
410-350 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-350 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-350 4 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 5 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 6 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-350 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-350 9 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-31   
410-351 A Baltimore MD HNVAMDAECM0  6630 USA MOBILITY WIRELESS, INC. 238      
410-352 A Bishopville MD BSHPMDBPRS0  9212 VERIZON MARYLAND, INC. 242      
410-352 0 Bishopville MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-352 3 Bishopville MD   9212 VERIZON MARYLAND, INC. 242      
410-352 4 Bishopville MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-352 5 Bishopville MD   9212 VERIZON MARYLAND, INC. 242      
410-352 6 Bishopville MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-28   
410-352 7 Bishopville MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2009-03-02   
410-352 8 Bishopville MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-352 9 Bishopville MD   9212 VERIZON MARYLAND, INC. 242      
410-353 A Annapolis MD WDLWMDEMCM2  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-354 A Baltimore MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238      

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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