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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
301-235 5 Washington Zone 16 MD WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
301-235 6 Washington Zone 16 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-22   
301-235 7 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-235 8 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
301-235 9 Washington Zone 16 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-236 A Washington Zone 12 MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-237 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-237 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-238 A Washington Zone 16 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-238 0 Washington Zone 16 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236   2001-12-21   
301-238 1 Washington Zone 16 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236   2004-07-10   
301-238 2 Washington Zone 16 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-238 3 Washington Zone 16 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-238 4 Washington Zone 16 MD   829J PAETEC ITEL, LLC 236   2005-02-08   
301-238 5 Washington Zone 16 MD   829J PAETEC ITEL, LLC 236   2007-02-23   
301-238 6 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
301-238 7 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-30   
301-238 8 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-30   
301-238 9 Washington Zone 16 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-22   
301-239 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-240 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 0 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 1 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 2 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 3 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-240 4 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 5 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 6 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 7 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 8 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-240 9 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-241 A Highfield MD HGFLMDHFRS0  9212 VERIZON MARYLAND, INC. 240      
301-241 0 Highfield MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-01-22   
301-241 1 Highfield MD HGFLMDHFRS0  9212 VERIZON MARYLAND, INC. 240      
301-241 2 Highfield MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2010-03-02   
301-241 3 Highfield MD HGFLMDHFRS0  9212 VERIZON MARYLAND, INC. 240      
301-241 4 Highfield MD HGFLMDHFRS0  9212 VERIZON MARYLAND, INC. 240      
301-241 5 Highfield MD HGFLMDHFRS0  9212 VERIZON MARYLAND, INC. 240      
301-241 6 Highfield MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-07-12   
301-241 7 Highfield MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2007-06-04   
301-241 8 Highfield MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-10-06   
301-241 9 Highfield MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-02-13   
301-242 A Brandywine MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-242 0 Brandywine MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-242 1 Brandywine MD BTVLMD12CMA  5562 METROPCS, INC. 236   2019-10-13   
301-242 2 Brandywine MD CHCHMDBE1MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-06-05   
301-242 3 Brandywine MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-01-15   
301-242 4 Brandywine MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-28   
301-242 5 Brandywine MD   829J PAETEC ITEL, LLC 236   2003-03-01   
301-242 6 Brandywine MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-28   
301-242 7 Brandywine MD WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-06-25   
301-242 8 Brandywine MD   515J IP HORIZON LLC 236   2016-05-31   
301-242 9 Brandywine MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-243 A Washington Zone 2 MD BTHSMDWADS0  9212 VERIZON MARYLAND, INC. 236      
301-243 0 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 1 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 2 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 3 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 4 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 5 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 6 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 7 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 8 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-243 9 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236   2006-08-19   
301-244 A Washington Zone 3 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
301-244 0 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-11-08   
301-244 1 Washington Zone 3 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-244 2 Washington Zone 3 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-244 3 Washington Zone 3 MD   829J PAETEC ITEL, LLC 236   2011-04-28   
301-244 4 Washington Zone 3 MD   829J PAETEC ITEL, LLC 236   2006-02-24   
301-244 5 Washington Zone 3 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-20   
301-244 6 Washington Zone 3 MD   829J PAETEC ITEL, LLC 236   2006-02-24   
301-244 7 Washington Zone 3 MD   829J PAETEC ITEL, LLC 236   2006-02-24   
301-244 8 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-244 9 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-245 A Bittinger MD BTNRMDBRRS1  9212 VERIZON MARYLAND, INC. 240      
301-245 0 Bittinger MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   
301-245 1 Bittinger MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-08-10   
301-245 2 Bittinger MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-07-12   
301-245 3 Bittinger MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-01-22   
301-245 4 Bittinger MD BTNRMDBRRS1  9212 VERIZON MARYLAND, INC. 240      
301-245 5 Bittinger MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-245 6 Bittinger MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-10-19   
301-245 7 Bittinger MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-02-13   
301-245 8 Bittinger MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-245 9 Bittinger MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-11-12   
301-246 A Nanjemoy MD NJMYMDNJRS0  9212 VERIZON MARYLAND, INC. 236      
301-246 0 Nanjemoy MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-246 1 Nanjemoy MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-246 2 Nanjemoy MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-246 3 Nanjemoy MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-06-02   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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