Local Calling Guide

Area code/prefix search

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OCN: 876D ONVOY, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-290 8 Baltimore MD   238   2021-02-18   
667-290 9 Baltimore MD   238   2021-02-18   
667-291 A Millington MD SLBRMDSBXVX  242      
667-291 0 Millington MD   242   2017-05-11   
667-291 7 Millington MD   242   2021-04-29   
667-291 8 Millington MD   242   2019-03-04   
667-291 9 Millington MD   242   2019-03-04   
667-293 A Sharptown MD SLBRMDSBXVX  242      
667-293 3 Sharptown MD   242   2020-11-21   
667-293 9 Sharptown MD   242   2020-11-21   
667-294 2 Towson MD   238   2025-09-28   
667-295 3 Crofton MD   238   2023-08-10   
667-295 7 Crofton MD   238   2019-02-19   
667-295 8 Crofton MD   238   2019-02-19   
667-296 0 Reisterstown MD   238   2021-03-04   
667-296 1 Reisterstown MD   238   2021-03-04   
667-296 5 Reisterstown MD   238   2025-03-07   
667-296 9 Reisterstown MD   238   2022-10-16   
667-297 3 Edgewood MD   238   2021-05-21   
667-297 5 Edgewood MD   238   2021-04-29   
667-297 6 Edgewood MD   238   2021-01-31   
667-297 7 Edgewood MD   238   2021-01-31   
667-297 8 Edgewood MD   238   2021-04-29   
667-301 2 Prince Frederick MD   238   2021-03-27   
667-301 3 Prince Frederick MD   238   2021-03-27   
667-301 7 Prince Frederick MD   238   2021-12-19   
667-302 2 Cecilton MD   242   2021-04-03   
667-302 3 Cecilton MD   242   2021-04-03   
667-304 4 Essex MD   238   2021-07-11   
667-304 5 Essex MD   238   2021-07-11   
667-305 2 Pikesville MD   238   2015-06-11   
667-305 3 Pikesville MD   238   2015-06-11   
667-307 6 Crofton MD   238   2024-03-03   
667-307 7 Crofton MD   238   2016-03-23   
667-307 8 Crofton MD   238   2016-03-23   
667-308 3 Towson MD   238   2014-09-01   
667-309 A Baltimore MD BLTMMDCH42Z  238      
667-309 2 Baltimore MD   238   2015-07-27   
667-309 4 Baltimore MD   238   2015-07-27   
667-309 5 Baltimore MD   238   2015-07-27   
667-309 8 Baltimore MD   238   2015-07-27   
667-309 9 Baltimore MD   238   2015-07-27   
667-310 2 Parkville MD   238   2021-09-23   
667-314 6 Westminster MD   238   2021-07-12   
667-314 8 Westminster MD   238   2024-04-14   
667-314 9 Westminster MD   238   2024-04-14   
667-315 4 Bel Air MD   238   2021-09-23   
667-315 5 Bel Air MD   238   2021-09-23   
667-315 6 Bel Air MD   238   2021-09-23   
667-316 6 Oxford MD   242   2021-06-09   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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