Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 484

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-484 A Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 0 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-484 1 Edgewood MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-484 2 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-484 3 Edgewood MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-484 4 Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 5 Edgewood MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-484 6 Edgewood MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-484 7 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-484 8 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-484 9 Edgewood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.