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: 584

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-584 A Crofton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 0 Crofton MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
443-584 1 Crofton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 2 Crofton MD   145J TERRA NOVA TELECOM INC. 238      
443-584 3 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-584 4 Crofton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-584 5 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-584 6 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-584 7 Crofton MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-584 8 Crofton MD   515J IP HORIZON LLC 238      
443-584 9 Crofton MD   515J IP HORIZON LLC 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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