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: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-585 A Darlington MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 0 Darlington MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-585 1 Darlington MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 2 Darlington MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-585 3 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-585 4 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-585 5 Darlington MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-585 6 Darlington MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-585 7 Darlington MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-585 8 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-585 9 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      

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

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