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
301-592 8 Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-592 9 Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-593 A Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-594 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-595 A Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-596 A Laurel (Baltimore LATA) MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
301-597 A Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-597 0 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-11   
301-597 1 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-04-25   
301-597 2 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-21   
301-597 3 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-21   
301-597 4 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-04-25   
301-597 5 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-11   
301-597 6 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-11   
301-597 7 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-04-25   
301-597 8 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-03-10   
301-597 9 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-03-10   
301-598 A Washington Zone 12 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-599 A Washington Zone 5 MD CLTNMDCLDS0  9212 VERIZON MARYLAND, INC. 236      
301-600 A Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-600 0 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 1 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 2 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 3 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 4 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 5 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 6 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 7 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 8 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 9 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-601 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-602 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-603 A Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 0 Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 1 Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 2 Washington Zone 11 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-07-13   
301-603 3 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-603 4 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-603 5 Washington Zone 11 MD WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
301-603 6 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-603 7 Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 8 Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 9 Washington Zone 11 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-604 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-605 A Washington Zone 10 MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-605 0 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-25   
301-605 1 Washington Zone 10 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2009-11-10   
301-605 2 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-605 3 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-605 4 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-02-16   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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