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: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-258 A Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-258 0 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-258 1 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2016-07-02   
443-258 2 Easton MD SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242   2012-07-26   
443-258 3 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2017-10-20   
443-258 4 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-22   
443-258 6 Easton MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-07-13   
443-258 7 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-22   
443-258 8 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-04-12   
443-258 9 Easton MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2017-03-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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