Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-343 6 Cambridge MD   242   2021-09-18   
667-343 7 Cambridge MD   242   2021-09-18   
667-343 8 Cambridge MD   242   2021-09-18   
667-343 9 Cambridge MD   242   2021-09-18   
667-727 3 Sudlersville MD ESTNMDES5MD  242   2019-04-22   
667-786 7 Columbia MD BLTOMDKHDS0  238   2016-03-14   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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