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: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-432 A Prince Frederick MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 0 Prince Frederick MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-12-07   
443-432 1 Prince Frederick MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 2 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 3 Prince Frederick MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-10-15   
443-432 4 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 5 Prince Frederick MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-08   
443-432 6 Prince Frederick MD   515J IP HORIZON LLC 238   2015-03-23   
443-432 7 Prince Frederick MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 8 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-432 9 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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