Local Calling Guide

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Search area code/prefix (NPA/NXX)
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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
410-807 8 Catonsville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-03-25   
410-807 9 Catonsville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-03-25   
410-808 A Fallston MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-808 0 Fallston MD   5562 METROPCS, INC. 238      
410-808 1 Fallston MD   5562 METROPCS, INC. 238      
410-808 2 Fallston MD   5562 METROPCS, INC. 238      
410-808 3 Fallston MD   5562 METROPCS, INC. 238      
410-808 4 Fallston MD   5562 METROPCS, INC. 238      
410-808 5 Fallston MD   5562 METROPCS, INC. 238      
410-808 6 Fallston MD   5562 METROPCS, INC. 238      
410-808 7 Fallston MD   5562 METROPCS, INC. 238      
410-808 8 Fallston MD   5562 METROPCS, INC. 238      
410-808 9 Fallston MD   5562 METROPCS, INC. 238      
410-809 A Bel Air MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-809 0 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 1 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 2 Bel Air MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-05-05   
410-809 3 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 4 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 5 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 6 Bel Air MD   9212 VERIZON MARYLAND, INC. 238   2005-06-06   
410-809 7 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 8 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-809 9 Bel Air MD   829J PAETEC ITEL, LLC 238      
410-810 A Chestertown MD CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 0 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 1 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 2 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 3 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 4 Chestertown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2006-11-16   
410-810 5 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 6 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 7 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 8 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-810 9 Chestertown MD   9212 VERIZON MARYLAND, INC. 242      
410-812 A Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-813 A Waterloo (Washington DC LATA) MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
410-814 A Baltimore MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-814 0 Baltimore MD   318J COMCAST IP PHONE, LLC 238   2005-12-21   
410-814 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-12-23   
410-814 2 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 3 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 4 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 5 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 6 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 7 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-814 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-815 A Waterloo (Washington DC LATA) MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
410-816 A Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      

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

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