Local Calling Guide

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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
410-989 1 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
410-989 2 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
410-989 3 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-01-31   
410-989 4 Fork MD   876D ONVOY, LLC - MD 238   2012-10-07   
410-989 5 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-01-31   
410-989 6 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-01-31   
410-989 7 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-02-16   
410-989 8 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-02-16   
410-989 9 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-02-16   
410-990 A Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-991 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-992 A Columbia MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-992 0 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 1 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 2 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
410-992 3 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 4 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 5 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 6 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 7 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 8 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-992 9 Columbia MD   9212 VERIZON MARYLAND, INC. 238      
410-993 A Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-994 A Edgewood MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 238      
410-994 0 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-994 1 Edgewood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-994 2 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-16   
410-994 3 Edgewood MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
410-994 4 Edgewood MD   829J PAETEC ITEL, LLC 238   2005-04-04   
410-994 5 Edgewood MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
410-994 6 Edgewood MD   5562 METROPCS, INC. 238   2018-10-05   
410-994 7 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
410-994 8 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-04-26   
410-994 9 Edgewood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-995 A Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 0 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-995 1 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-995 2 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-995 3 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-995 4 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-995 5 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-995 6 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-995 7 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
410-995 8 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-995 9 Ellicott City MD   876D ONVOY, LLC - MD 238   2016-03-27   
410-996 A Elkton MD EKTNMDEKDS0  9212 VERIZON MARYLAND, INC. 238      
410-996 0 Elkton MD   9212 VERIZON MARYLAND, INC. 238      
410-996 1 Elkton MD   9212 VERIZON MARYLAND, INC. 238      
410-996 2 Elkton MD   9212 VERIZON MARYLAND, INC. 238      
410-996 3 Elkton MD   9212 VERIZON MARYLAND, INC. 238      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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