Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-809 A Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-809 0 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 1 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 2 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 3 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 4 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 5 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 6 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 7 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 8 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 9 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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