Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-998 7 Parkville MD 876D ONVOY, LLC - MD 238   2016-01-11   
443-998 8 Parkville MD 876D ONVOY, LLC - MD 238   2014-12-31   
443-998 9 Parkville MD 876D ONVOY, LLC - MD 238   2014-12-31   
667-200 A Columbia MD 876D ONVOY, LLC - MD 238      
667-200 0 Columbia MD 876D ONVOY, LLC - MD 238   2016-02-18   
667-200 1 Columbia MD 876D ONVOY, LLC - MD 238   2016-04-28   
667-200 2 Columbia MD 876D ONVOY, LLC - MD 238   2016-04-28   
667-200 3 Columbia MD 876D ONVOY, LLC - MD 238   2017-06-18   
667-201 5 Bel Air MD 876D ONVOY, LLC - MD 238   2018-05-27   
667-201 6 Bel Air MD 876D ONVOY, LLC - MD 238   2017-06-02   
667-202 A Elkton MD 876D ONVOY, LLC - MD 238      
667-202 0 Elkton MD 876D ONVOY, LLC - MD 238   2016-04-14   
667-202 1 Elkton MD 876D ONVOY, LLC - MD 238   2016-04-14   
667-206 3 Towson MD 876D ONVOY, LLC - MD 238   2016-01-11   
667-206 5 Towson MD 876D ONVOY, LLC - MD 238   2014-10-11   
667-206 6 Towson MD 876D ONVOY, LLC - MD 238   2014-10-11   
667-213 1 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 2 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 5 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-213 6 Baltimore MD 876D ONVOY, LLC - MD 238   2014-12-08   
667-215 4 Elkton MD 876D ONVOY, LLC - MD 238   2021-09-23   
667-215 8 Elkton MD 876D ONVOY, LLC - MD 238   2018-02-25   
667-218 3 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-218 4 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-218 5 Baltimore MD 876D ONVOY, LLC - MD 238   2015-04-06   
667-222 A Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238      
667-222 0 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 1 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 2 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2015-10-15   
667-222 3 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-01-21   
667-222 4 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-05-01   
667-222 5 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2016-03-19   
667-222 6 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2019-05-17   
667-225 3 Annapolis MD 876D ONVOY, LLC - MD 238   2016-08-05   
667-225 5 Annapolis MD 876D ONVOY, LLC - MD 238   2016-08-05   
667-229 0 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 2 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 3 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-229 4 Aberdeen MD 876D ONVOY, LLC - MD 236   2016-05-13   
667-231 2 Aberdeen MD 876D ONVOY, LLC - MD 236   2014-10-03   
667-231 3 Aberdeen MD 876D ONVOY, LLC - MD 236   2014-10-03   
667-232 7 Glen Burnie MD 876D ONVOY, LLC - MD 238   2022-10-16   
667-236 8 Perryville MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-236 9 Perryville MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-239 1 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 2 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 4 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 5 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 6 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   
667-239 7 Baltimore MD 876D ONVOY, LLC - MD 238   2015-07-27   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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