Local Calling Guide

Area code/prefix search

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OCN: 7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-218 7 Baltimore MD   238   2015-08-12   
667-221 4 Salisbury MD   242   2020-02-26   
667-228 5 Aberdeen MD   236   2015-08-17   
667-259 A Reisterstown MD   238   2019-02-04   
667-259 3 Reisterstown MD   238   2019-02-04   
667-259 4 Reisterstown MD   238   2019-02-04   
667-259 5 Reisterstown MD   238   2019-02-04   
667-264 A Delmar MD   242   2019-04-29   
667-264 3 Delmar MD   242   2019-04-29   
667-265 A Vienna MD   242   2019-06-18   
667-265 3 Vienna MD   242   2019-06-18   
667-276 A Bel Air MD   238   2020-03-19   
667-276 3 Bel Air MD   238   2020-03-19   
667-312 3 Baltimore MD   238   2015-11-16   
667-312 4 Baltimore MD   238   2017-02-09   
667-312 5 Baltimore MD   238   2018-11-15   
667-313 A Pikesville MD   238      
667-313 0 Pikesville MD   238   2016-01-30   
667-313 1 Pikesville MD   238   2016-01-30   
667-313 2 Pikesville MD   238   2016-01-30   
667-313 3 Pikesville MD   238   2016-01-30   
667-313 4 Pikesville MD   238   2016-01-30   
667-313 5 Pikesville MD   238   2016-01-30   
667-313 6 Pikesville MD   238   2016-01-30   
667-313 7 Pikesville MD   238   2016-01-30   
667-313 8 Pikesville MD   238   2016-01-30   
667-313 9 Pikesville MD   238   2016-01-30   
667-727 3 Sudlersville MD   242   2019-04-22   
667-786 7 Columbia MD   238   2016-03-14   

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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