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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-392 A La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 0 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 1 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 2 La Plata MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2006-12-01   
301-392 3 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 4 La Plata MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236   2006-12-01   
301-392 5 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 6 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-392 7 La Plata MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-06-02   
301-392 8 La Plata MD HRNDVACKAMD  2217 ATX TELECOMMUNICATIONS SERVICES, LTD. - MD 236   2004-03-27   
301-392 9 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      

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

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