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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-279 A Towson MD   4773 XO MARYLAND, LLC 238      
443-279 0 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 1 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 2 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 3 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 4 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 5 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 6 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 7 Towson MD   4773 XO MARYLAND, LLC 238      
443-279 8 Towson MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-279 9 Towson MD   4773 XO MARYLAND, LLC 238      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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