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: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-530 A Dundalk MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-530 0 Dundalk MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-530 1 Dundalk MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-530 2 Dundalk MD   515J IP HORIZON LLC 238      
443-530 3 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-530 4 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-530 5 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-530 6 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-530 7 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-530 8 Dundalk MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-530 9 Dundalk MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      

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

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