Local Calling Guide

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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
443-991 A Towson MD WDLWMDEMCM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-22   
443-991 0 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-11-15   
443-991 1 Towson MD   5562 METRO PCS, INC. 238   2013-06-14   
443-991 2 Towson MD   5562 METRO PCS, INC. 238   2013-06-14   
443-991 3 Towson MD   5562 METRO PCS, INC. 238   2013-06-14   
443-991 4 Towson MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-03-26   
443-991 5 Towson MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-04-14   
443-991 6 Towson MD   5562 METRO PCS, INC. 238   2013-08-01   
443-991 7 Towson MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-02-27   
443-991 8 Towson MD   876D ONVOY, LLC - MD 238   2012-02-29   
443-991 9 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-11-01   

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

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