Local Calling Guide

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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-255 5 Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 6 Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 7 Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 8 Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 9 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-256 A Laurel MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-256 0 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-11-16   
301-256 1 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-07-12   
301-256 2 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-07-12   
301-256 3 Laurel MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-256 4 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-01-08   
301-256 5 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-11-06   
301-256 6 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-03-07   
301-256 7 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-05-27   
301-256 8 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-07-15   
301-256 9 Laurel MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-257 A Washington Zone 3 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 5 Washington Zone 3 MD   5562 METROPCS, INC. 236      
301-257 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-257 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-258 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-259 A Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 0 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 1 Tompkinsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-259 2 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 3 Tompkinsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-10-07   
301-259 4 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 5 Tompkinsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
301-259 6 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 7 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 8 Tompkinsville MD TMVLMDTKRS0  9212 VERIZON MARYLAND, INC. 236      
301-259 9 Tompkinsville MD   515J IP HORIZON LLC 236   2016-05-31   
301-260 A Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 0 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 1 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 2 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 3 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 4 Ashton MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2006-05-28   
301-260 5 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
301-260 6 Ashton MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-260 7 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 8 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      
301-260 9 Ashton MD OLNYMDOKDS0  9212 VERIZON MARYLAND, INC. 236      

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

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