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: 920

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-920 A Sykesville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-920 0 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 1 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 2 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 3 Sykesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-920 4 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 5 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 6 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 7 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-920 8 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-920 9 Sykesville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

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

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