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
410-635 0 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
410-635 1 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-635 2 New Windsor MD   9212 VERIZON MARYLAND, INC. 238      
410-635 3 New Windsor MD   9212 VERIZON MARYLAND, INC. 238      
410-635 4 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-635 5 New Windsor MD   829J PAETEC ITEL, LLC 238   2004-02-05   
410-635 6 New Windsor MD   9212 VERIZON MARYLAND, INC. 238      
410-635 7 New Windsor MD   829J PAETEC ITEL, LLC 238   2010-01-15   
410-635 8 New Windsor MD   9212 VERIZON MARYLAND, INC. 238      
410-635 9 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
410-636 A Brooklyn Park-Linthicum MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-637 A Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 0 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 1 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-637 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-638 A Bel Air MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-639 A Rock Hall MD RKHLMDRHRS0  9212 VERIZON MARYLAND, INC. 242      
410-639 0 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-639 2 Rock Hall MD   9212 VERIZON MARYLAND, INC. 242      
410-639 3 Rock Hall MD   876D ONVOY, LLC - MD 242   2017-04-14   
410-639 4 Rock Hall MD   228C IDT AMERICA, CORP. - MD 242   2006-05-21   
410-639 5 Rock Hall MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2017-09-18   
410-639 6 Rock Hall MD   876D ONVOY, LLC - MD 242   2021-03-05   
410-639 7 Rock Hall MD   9212 VERIZON MARYLAND, INC. 242      
410-639 8 Rock Hall MD   073H TELNYX LLC 242   2017-09-13   
410-639 9 Rock Hall MD   9212 VERIZON MARYLAND, INC. 242      
410-640 A Baltimore MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-641 A Berlin MD BRLNMDBLRS1  9212 VERIZON MARYLAND, INC. 242      
410-642 A Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 0 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 1 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 2 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 3 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 4 Perryville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-07-15   
410-642 5 Perryville MD   876D ONVOY, LLC - MD 238   2016-04-11   
410-642 6 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 7 Perryville MD   876D ONVOY, LLC - MD 238   2016-04-11   
410-642 8 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-642 9 Perryville MD   9212 VERIZON MARYLAND, INC. 238      
410-643 A Stevensville MD RMCKMDRRRS0  9212 VERIZON MARYLAND, INC. 242      
410-644 A Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-645 A Woodlawn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-645 0 Woodlawn MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   

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

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