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
410-941 3 Jarrettsville 941 MD   238   2016-03-31   
410-941 6 Jarrettsville 941 MD   238   2016-05-07   
410-970 3 Sykesville MD   238   2021-05-21   
410-973 0 Berlin MD   242   2024-05-20   
410-973 3 Berlin MD   242   2024-06-23   
410-973 6 Berlin MD   242   2019-03-04   
410-973 7 Berlin MD   242   2019-03-04   
410-981 3 Glen Burnie MD   238   2016-03-31   
410-983 3 Fork MD   238   2014-09-27   
410-983 6 Fork MD   238   2014-09-27   
410-989 4 Fork MD   238   2012-10-07   
410-995 9 Ellicott City MD   238   2016-03-27   
443-201 7 Westminster MD   238   2012-10-08   
443-205 6 Cambridge MD   242   2024-03-02   
443-205 7 Cambridge MD   242   2024-04-04   
443-212 3 Sparks-Glencoe MD   238   2021-03-04   
443-212 9 Sparks-Glencoe MD   238   2021-05-21   
443-214 0 Annapolis MD   238   2016-02-22   
443-214 3 Annapolis MD   238   2013-08-10   
443-218 9 Worthington MD   238   2020-04-30   
443-222 A Worthington MD BLTMMDCH42Z  238      
443-222 0 Worthington MD   238   2020-04-30   
443-222 1 Worthington MD   238   2020-04-30   
443-222 8 Worthington MD   238   2019-02-19   
443-222 9 Worthington MD   238   2019-02-19   
443-225 1 Cambridge MD   242   2024-05-03   
443-227 4 Port Deposit MD   238   2016-03-17   
443-227 5 Port Deposit MD   238   2016-03-17   
443-229 5 Severna Park MD   238   2025-02-01   
443-230 2 Odenton MD   238   2021-03-04   
443-230 5 Odenton MD   238   2016-03-29   
443-232 0 Willards MD   242   2020-04-30   
443-232 1 Willards MD   242   2020-07-04   
443-232 2 Willards MD   242   2020-07-04   
443-232 9 Willards MD   242   2020-04-30   
443-233 0 Vienna MD   242   2020-08-09   
443-233 1 Vienna MD   242   2020-08-09   
443-233 5 Vienna MD   242   2020-10-17   
443-234 0 Snow Hill MD   242   2019-03-04   
443-234 1 Snow Hill MD   242   2021-03-05   
443-234 8 Snow Hill MD   242   2017-04-14   
443-234 9 Snow Hill MD   242   2019-03-04   
443-238 0 Parkton MD   238   2024-03-07   
443-238 1 Parkton MD   238   2016-03-21   
443-238 3 Parkton MD   238   2016-03-21   
443-241 A Westminster MD BLTMMDCH42Z  238      
443-242 9 Sparrows Point MD   238   2023-10-22   
443-244 6 Westminster MD   238   2016-03-10   
443-247 0 Union Bridge MD   238   2019-02-19   
443-247 2 Union Bridge MD   238   2019-02-19   

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

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