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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-347 A Cardiff MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-347 0 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-347 1 Cardiff MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-347 2 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-347 3 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-347 4 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-347 5 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-347 6 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-347 7 Cardiff MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-347 8 Cardiff MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-347 9 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      

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

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