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Washington Zone 2, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-300 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-312 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-312 0 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 1 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 2 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 3 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 4 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 5 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 6 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-312 7 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 8 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-312 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 0 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 1 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 2 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 3 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 4 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 5 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 6 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 7 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-319 A BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-320 A BTHSMDWADS0  9212 VERIZON MARYLAND, INC. 236      
301-335 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 0 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 1 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 2 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 3 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 4 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 5 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 6 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 7 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-347 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 0 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 1 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 2 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 3 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 4 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 5 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 6 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-01-20   
301-347 7 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-09-14   
301-347 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-10-14   
301-347 9 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-365 A BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-380 A BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-381 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-381 0 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-381 9 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-09-16   
301-385 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-400 A BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-400 0   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 1   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 2   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 3   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 4   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 5   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 6   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 7   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 8   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-400 9   9212 VERIZON MARYLAND, INC. 236   2010-06-05   
301-402 A BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-406 A SLSPMDSSX6X  6630 SPOK, INC. 236      
301-409 A WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
301-409 0 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-04-25   
301-409 1 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-20   
301-409 2 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-20   
301-409 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-12-12   
301-409 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-12-12   
301-409 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-12-12   
301-409 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-12-12   
301-409 7 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-10   
301-409 8 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-10   
301-409 9 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-10   
301-412 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-435 A BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-451 A BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-469 A BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-480 A BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-492 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-493 A BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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