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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-623 A Marion MD MARNMDMARS1  9212 VERIZON MARYLAND, INC. 242      
410-623 0 Marion MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-623 1 Marion MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-623 2 Marion MD   9212 VERIZON MARYLAND, INC. 242      
410-623 3 Marion MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-623 4 Marion MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-623 5 Marion MD   073H TELNYX LLC 242   2017-09-13   
410-623 6 Marion MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-623 7 Marion MD   876D ONVOY, LLC - MD 242   2017-04-14   
410-623 8 Marion MD   9212 VERIZON MARYLAND, INC. 242      
410-623 9 Marion MD   089J CHARTER FIBERLINK - MARYLAND II, LLC - MD 242   2019-08-07   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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