Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-461 A Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 0 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 1 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 2 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 3 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 4 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-461 5 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-461 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-461 7 Parkville MD   515J IP HORIZON LLC 238      
443-461 8 Parkville MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-461 9 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      

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

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