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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-448 A Denton MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-448 1 Denton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-448 2 Denton MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
443-448 3 Denton MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
443-448 4 Denton MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-448 5 Denton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-448 6 Denton MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
443-448 7 Denton MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-448 8 Denton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-448 9 Denton MD SLBRMD902MD  073H TELNYX LLC 242      

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

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