Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2593 CORE COMMUNICATIONS, INC.- MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-269 4 Towson MD   238   2018-06-16   
443-269 5 Towson MD   238   2018-06-16   
443-272 0 Randallstown MD   238   2004-04-02   
443-273 2 Reisterstown MD   238   2019-03-22   
443-276 8 Columbia MD   238   2004-03-29   
443-284 A Waterloo MD   238      
443-284 2 Waterloo MD   238   2019-05-02   
443-284 3 Waterloo MD   238   2018-06-16   
443-284 5 Waterloo MD   238   2018-06-16   
443-284 6 Waterloo MD   238   2019-05-02   
443-284 7 Waterloo MD   238   2018-10-23   
443-290 0 Parkville MD   238   2004-04-02   
443-292 0 Crofton MD   238   2004-03-29   
443-295 0 Prince Frederick MD   238   2004-04-02   
443-297 0 Arbutus MD   238   2004-03-29   
443-298 3 Easton MD   242   2018-10-22   
443-323 4 Sharptown MD   242   2019-05-02   
443-323 6 Sharptown MD   242   2019-05-02   
443-323 7 Sharptown MD   242   2018-06-17   
443-323 8 Sharptown MD   242   2018-06-17   
443-328 2 Sykesville MD   238   2019-05-01   
443-329 6 Waterloo (Washington DC LATA) MD   236   2019-04-30   
443-329 7 Waterloo (Washington DC LATA) MD   236   2019-04-30   
443-334 0 Pikesville MD   238   2004-04-02   
443-334 9 Pikesville MD   238   2019-04-22   
443-337 A Sparrows Point MD BLTQMD01BMD  238      
443-337 2 Sparrows Point MD   238   2019-03-29   
443-337 5 Sparrows Point MD   238   2018-06-16   
443-337 6 Sparrows Point MD   238   2018-06-16   
443-337 7 Sparrows Point MD   238   2018-06-16   
443-337 8 Sparrows Point MD BLTMMD91GT0  238   2019-03-29   
443-337 9 Sparrows Point MD BLTMMD91GT0  238   2019-07-31   
443-341 3 Catonsville MD   238   2004-03-29   
443-343 3 Millersville MD   238   2018-06-16   
443-344 A Severna Park MD BLTMMD91GT0  238      
443-346 A Severna Park MD BLTQMD01BMD  238      
443-346 2 Severna Park MD   238   2019-03-29   
443-346 5 Severna Park MD   238   2018-10-23   
443-346 6 Severna Park MD BLTMMD91GT0  238   2019-03-29   
443-346 7 Severna Park MD   238   2018-10-23   
443-346 8 Severna Park MD   238   2018-10-23   
443-346 9 Severna Park MD   238   2018-10-23   
443-348 6 Woodlawn MD   238   2019-05-02   
443-349 A Silver Run MD BLTMMD91GT0  238      
443-352 2 Pikesville MD   238   2019-03-29   
443-352 6 Pikesville MD   238   2019-03-29   
443-355 2 Ellicott City MD   238   2018-06-16   
443-357 0 Pikesville MD   238   2019-04-22   
443-357 2 Pikesville MD   238   2019-04-22   
443-357 3 Pikesville MD   238   2019-04-22   

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

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