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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-403 A Cockeysville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 0 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-403 1 Cockeysville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 2 Cockeysville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 3 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-09   
410-403 4 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-403 5 Cockeysville MD   876D ONVOY, LLC - MD 238   2024-04-26   
410-403 6 Cockeysville MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-08   
410-403 7 Cockeysville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-19   
410-403 8 Cockeysville MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-403 9 Cockeysville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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