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
410-973 1 Berlin MD   861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242   2010-08-21   
410-973 2 Berlin MD   318J COMCAST IP PHONE, LLC 242   2013-05-30   
410-973 3 Berlin MD   876D ONVOY, LLC - MD 242   2024-06-23   
410-973 4 Berlin MD   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2018-03-11   
410-973 5 Berlin MD   145J TERRA NOVA TELECOM INC. 242   2025-05-07   
410-973 6 Berlin MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-973 7 Berlin MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-973 8 Berlin MD   145J TERRA NOVA TELECOM INC. 242   2026-01-04   
410-973 9 Berlin MD   145J TERRA NOVA TELECOM INC. 242   2024-09-13   
410-974 A Severna Park MD STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-975 A Severna Park MD SVPKMDSPRP0  9212 VERIZON MARYLAND, INC. 238      
410-975 0 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-975 1 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-975 2 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-975 3 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-975 4 Severna Park MD   829J PAETEC ITEL, LLC 238   2007-12-30   
410-975 5 Severna Park MD   318J COMCAST IP PHONE, LLC 238   2007-01-19   
410-975 6 Severna Park MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2009-08-20   
410-975 7 Severna Park MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-09-23   
410-975 8 Severna Park MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-17   
410-975 9 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-977 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 0 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 2 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 3 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 5 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 6 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 7 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-977 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-978 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-979 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-980 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-980 0 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-12-02   
410-980 1 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-12-02   
410-980 2 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-12-02   
410-980 3 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-02-03   
410-980 4 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-01-24   
410-980 5 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-02-03   
410-980 6 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-02-03   
410-980 7 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
410-980 8 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
410-980 9 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-29   
410-981 A Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-981 0 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 1 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 2 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 3 Glen Burnie MD   876D ONVOY, LLC - MD 238   2016-03-31   

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

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