Local Calling Guide

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Washington Zone 2, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-275 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 3 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 6 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-280 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-295 A BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-300 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-300 0 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-26   
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 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-312 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 3 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 5 BTVLMD18GT0  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 BTVLMD18GT0  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 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 3 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 6 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 9 BTVLMD18GT0  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 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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