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: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-625 A Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-625 1 Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-625 2 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-625 3 Fork MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-625 4 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-625 5 Fork MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-625 6 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-625 7 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-625 8 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-625 9 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      

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

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