Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-744 A Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 0 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-03-01   
301-744 1 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 2 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 3 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 4 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 5 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 6 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 7 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-06-02   
301-744 8 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-744 9 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-02   

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

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