Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-671 A Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-671 0 Edgewood MD   876D ONVOY, LLC - MD 238   2016-03-30   
410-671 1 Edgewood MD   5562 METROPCS, INC. 238   2020-08-21   
410-671 2 Edgewood MD   318J COMCAST IP PHONE, LLC 238   2011-06-20   
410-671 3 Edgewood MD   145J TERRA NOVA TELECOM INC. 238   2024-09-12   
410-671 4 Edgewood MD   318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-671 5 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-28   
410-671 6 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-671 7 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-671 8 Edgewood MD   5562 METROPCS, INC. 238   2020-01-05   
410-671 9 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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