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
443-329 6 Waterloo (Washington DC LATA) MD WASHDCSWFMD  236   2019-04-30   
443-329 7 Waterloo (Washington DC LATA) MD WASHDCSWFMD  236   2019-04-30   
443-331 0 Taneytown MD BLTMMD91GT0  238   2019-07-31   
443-334 0 Pikesville MD BLTMMD91DS1  238   2004-04-02   
443-334 9 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-335 0 Brooklyn Park-Linthicum MD   238   2018-06-16   
443-335 1 Brooklyn Park-Linthicum MD   238   2018-06-16   
443-337 A Sparrows Point MD BLTMMDCHYMD  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 BLTMMD91DS1  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 BLTMMDCHYMD  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 0 Woodlawn MD   238   2018-10-23   
443-348 6 Woodlawn MD BLTMMD91GT0  238   2019-05-02   
443-348 9 Woodlawn MD   238   2018-10-23   
443-349 A Silver Run MD BLTMMD91GT0  238      
443-352 2 Pikesville MD BLTMMD91GT0  238   2019-03-29   
443-352 6 Pikesville MD BLTMMD91GT0  238   2019-03-29   
443-355 2 Ellicott City MD   238   2018-06-16   
443-357 0 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 2 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 3 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 4 Pikesville MD BLTMMD91GT0  238   2019-03-29   
443-357 5 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 6 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 7 Pikesville MD BLTMMD91GT0  238   2019-03-29   
443-357 8 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-357 9 Pikesville MD BLTMMD91GT0  238   2019-04-22   
443-361 A Sykesville MD BLTMMD91GT0  238      
443-362 4 Easton MD ESTNMDBNGT0  242   2019-04-12   
443-362 5 Easton MD ESTNMDBNGT0  242   2019-04-12   
443-362 6 Easton MD ESTNMDBNGT0  242   2019-04-12   
443-362 7 Easton MD ESTNMDBNGT0  242   2019-04-12   
443-363 0 Severn MD   238   2018-10-23   
443-363 1 Severn MD   238   2018-10-23   
443-363 2 Severn MD   238   2018-10-23   
443-363 4 Severn MD   238   2018-06-16   
443-363 5 Severn MD   238   2018-06-16   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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