Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-493 A Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-493 0 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2009-05-07   
443-493 1 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2011-10-28   
443-493 2 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2011-10-28   
443-493 3 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2011-10-28   
443-493 4 Delmar MD   145J TERRA NOVA TELECOM INC. 242   2024-02-15   
443-493 5 Delmar MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-493 6 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2024-02-18   
443-493 7 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-13   
443-493 8 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-02   
443-493 9 Delmar MD SLBRMD902MD  073H TELNYX LLC 242   2017-09-13   

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

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