Local Calling Guide

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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
443-390 0 Churchville MD   238   2025-09-06   
443-390 1 Churchville MD   238   2025-10-12   
443-390 4 Churchville MD   238   2025-12-14   
443-390 5 Churchville MD   238   2024-03-03   
443-390 7 Churchville MD   238   2012-10-08   
443-392 3 Baltimore MD   238   2024-02-24   
443-396 2 Odenton MD   238   2012-10-07   
443-396 7 Odenton MD   238   2018-05-27   
443-398 3 Sykesville MD   238   2012-02-29   
443-399 A Dundalk MD   238      
443-399 0 Dundalk MD   238   2024-10-21   
443-399 1 Dundalk MD   238   2024-10-21   
443-399 2 Dundalk MD   238   2012-10-08   
443-400 7 Brooklyn Park-Linthicum MD   238   2012-09-13   
443-402 3 Edgewood MD   238   2012-10-07   
443-407 8 Dundalk MD   238   2016-03-31   
443-412 8 Churchville MD   238   2016-03-25   
443-419 4 Glenwood MD   238   2024-03-03   
443-419 6 Glenwood MD   238   2016-04-04   
443-419 7 Glenwood MD   238   2016-04-04   
443-420 6 Ellicott City MD   238   2016-04-08   
443-420 9 Ellicott City MD   238   2016-04-08   
443-424 6 Cardiff MD   238   2012-10-07   
443-429 1 Woodlawn MD   238   2012-10-08   
443-432 2 Prince Frederick MD   238   2014-10-20   
443-432 4 Prince Frederick MD   238   2014-10-20   
443-434 0 Federalsburg MD   242   2019-03-04   
443-434 4 Federalsburg MD   242   2017-04-13   
443-434 9 Federalsburg MD   242   2019-03-04   
443-437 0 Pocomoke MD   242   2019-03-04   
443-437 1 Pocomoke MD   242   2019-03-04   
443-437 4 Pocomoke MD   242   2017-04-14   
443-439 8 Trappe MD   242   2017-04-14   
443-441 6 Glenwood MD   238   2024-04-21   
443-443 5 Arbutus MD   238   2024-03-08   
443-443 6 Arbutus MD   238   2024-04-13   
443-443 7 Arbutus MD   238   2026-01-12   
443-443 8 Arbutus MD   238   2024-07-15   
443-443 9 Arbutus MD   238   2024-07-15   
443-446 3 Queenstown MD   242   2021-03-05   
443-446 4 Queenstown MD   242   2018-09-13   
443-446 5 Queenstown MD   242   2021-03-05   
443-448 1 Denton MD   242   2021-03-05   
443-448 8 Denton MD   242   2017-04-13   
443-450 9 Pikesville MD   238   2016-01-14   
443-452 2 Baltimore MD   238   2024-02-24   
443-452 3 Baltimore MD   238   2024-02-24   
443-452 5 Baltimore MD   238   2024-02-24   
443-452 6 Baltimore MD   238   2024-02-24   
443-453 A Baltimore MD BLTMMDCH42Z  238      

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

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