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
410-368 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 9 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-369 A Baltimore MD LARLMDCC1MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 0 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 1 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 2 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 3 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 4 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 5 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 6 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-13   
410-369 7 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-369 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-13   
410-369 9 Baltimore MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-370 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-371 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-372 A Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 0 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-372 1 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-372 2 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-372 3 Towson MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-10-02   
410-372 4 Towson MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
410-372 5 Towson MD   7421 AT&T LOCAL 238   2002-11-30   
410-372 6 Towson MD   2589 US LEC OF MARYLAND, INC. 238   2004-11-27   
410-372 7 Towson MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-372 8 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-372 9 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-373 A Towson MD HNVAMDAECM0  6630 USA MOBILITY WIRELESS, INC. 238      
410-374 A Hampstead MD HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 0 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 1 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 2 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 3 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 4 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 5 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 6 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 7 Hampstead MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2008-03-13   
410-374 8 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-374 9 Hampstead MD   9212 VERIZON MARYLAND, INC. 238      
410-375 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-376 A Vienna MD VINNMDVNRS0  9212 VERIZON MARYLAND, INC. 242      
410-376 0 Vienna MD   9212 VERIZON MARYLAND, INC. 242      
410-376 1 Vienna MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-376 2 Vienna MD   9212 VERIZON MARYLAND, INC. 242      
410-376 3 Vienna MD   9212 VERIZON MARYLAND, INC. 242      
410-376 4 Vienna MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-376 5 Vienna MD   876D ONVOY, LLC - MD 242   2018-09-13   
410-376 6 Vienna MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-376 7 Vienna MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2006-11-07   
410-376 8 Vienna MD   876D ONVOY, LLC - MD 242   2017-04-14   

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

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