Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6119 LEVEL 3 COMMUNICATIONS, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-767 9 St Michaels MD   242   2022-11-18   
667-776 1 Baltimore MD   238   2020-04-08   
667-776 2 Baltimore MD   238   2020-04-08   
667-776 3 Baltimore MD   238   2020-04-08   
667-776 4 Baltimore MD   238   2020-04-08   
667-776 5 Baltimore MD   238   2020-04-08   
667-776 6 Baltimore MD   238   2020-04-08   
667-776 7 Baltimore MD   238   2020-04-08   
667-776 8 Baltimore MD   238   2020-04-08   
667-786 4 Columbia MD   238   2016-02-05   
667-868 2 Crisfield MD   242   2019-12-13   
667-895 3 Baltimore MD   238   2021-03-19   
667-895 4 Baltimore MD   238   2021-03-19   
667-895 7 Baltimore MD   238   2021-09-23   
667-900 7 Baltimore MD   238   2020-07-24   
667-910 7 Baltimore MD   238   2021-10-30   
667-910 8 Baltimore MD   238   2021-09-10   
667-930 5 Baltimore MD   238   2020-05-01   

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

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