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   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-275 9   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   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-26   
301-300 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-19   
301-300 9   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   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 6   318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-312 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-23   
301-312 8   318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-312 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-318 9   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   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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