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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-373 A Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 0 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-07-15   
301-373 1 Leonardtown MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
301-373 2 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 3 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 4 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 5 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 6 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 7 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 8 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      
301-373 9 Leonardtown MD HLWDMDHWRS0  9212 VERIZON MARYLAND, INC. 236      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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