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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-308 A Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 0 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 1 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 2 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 3 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-308 4 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 5 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-308 6 Severn MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2019-11-29   
443-308 7 Severn MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-10-01   
443-308 8 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-308 9 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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