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
443-946 A Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238      
443-946 2 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-946 3 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-946 4 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-946 5 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-946 6 Parkville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-13   
443-946 7 Parkville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-13   
443-946 8 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-946 9 Parkville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-10-27   

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

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