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: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-353 A Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-353 0 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-353 1 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-353 2 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-353 3 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-353 4 Cockeysville MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-353 5 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-353 6 Cockeysville MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-353 7 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-353 8 Cockeysville MD   515J IP HORIZON LLC 238      
443-353 9 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      

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

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