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: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-647 A New Windsor MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-647 0 New Windsor MD   145J TERRA NOVA TELECOM INC. 238      
443-647 1 New Windsor MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-647 2 New Windsor MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-647 3 New Windsor MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-647 4 New Windsor MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-647 5 New Windsor MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-647 6 New Windsor MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-647 7 New Windsor MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-647 8 New Windsor MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-647 9 New Windsor MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      

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

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