Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDCHDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-237 0 Baltimore MD 551G NUSO, LLC 238   2018-07-23   
410-291 1 Baltimore MD 551G NUSO, LLC 238   2017-06-07   
410-291 8 Baltimore MD 551G NUSO, LLC 238   2017-06-07   
443-264 8 Pikesville MD 551G NUSO, LLC 238   2018-07-23   
443-352 1 Pikesville MD 551G NUSO, LLC 238   2016-08-31   
443-352 9 Pikesville MD 551G NUSO, LLC 238   2016-08-31   
443-501 8 Pikesville MD 551G NUSO, LLC 238   2016-04-01   
443-738 6 Pikesville MD 551G NUSO, LLC 238   2016-08-31   
443-898 5 Pikesville MD 551G NUSO, LLC 238   2016-08-31   
443-898 7 Pikesville MD 551G NUSO, LLC 238   2016-08-31   
667-260 8 Baltimore MD 551G NUSO, LLC 238   2016-04-01   
667-303 A Baltimore MD 551G NUSO, LLC 238      
667-303 1 Baltimore MD 551G NUSO, LLC 238   2013-05-08   
667-303 2 Baltimore MD 551G NUSO, LLC 238   2014-02-06   
667-305 A Pikesville MD 551G NUSO, LLC 238      
667-305 1 Pikesville MD 551G NUSO, LLC 238   2013-07-12   
667-400 8 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-400 9 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 0 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 2 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 3 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 4 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 5 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 6 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 8 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-402 9 Baltimore MD 551G NUSO, LLC 238   2018-11-07   
667-771 2 Baltimore MD 551G NUSO, LLC 238   2016-08-31   
667-771 3 Baltimore MD 551G NUSO, LLC 238   2016-08-31   
667-771 4 Baltimore MD 551G NUSO, LLC 238   2016-08-31   
667-771 5 Baltimore MD 551G NUSO, LLC 238   2016-08-31   
667-771 6 Baltimore MD 551G NUSO, LLC 238   2016-08-31   
667-867 0 Baltimore MD 551G NUSO, LLC 238   2018-10-14   
667-867 1 Baltimore MD 551G NUSO, LLC 238   2018-10-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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