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
443-558 A Aberdeen MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 236      
443-558 0 Aberdeen MD   4773 XO MARYLAND, LLC 236      
443-558 1 Aberdeen MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-04   
443-558 2 Aberdeen MD   4773 XO MARYLAND, LLC 236   2013-08-07   
443-558 3 Aberdeen MD   4773 XO MARYLAND, LLC 236      
443-558 4 Aberdeen MD   2697 CTC COMMUNICATIONS CORP. - MD 236   2010-03-01   
443-558 5 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2010-05-10   
443-558 6 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2010-12-02   
443-558 7 Aberdeen MD   4773 XO MARYLAND, LLC 236      
443-558 8 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 236   2010-12-02   
443-558 9 Aberdeen MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-04   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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