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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-667 A Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-667 0 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2023-07-20   
443-667 1 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2024-04-04   
443-667 5 Delmar MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-30   
443-667 6 Delmar MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-30   
443-667 7 Delmar MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-30   
443-667 8 Delmar MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-30   
443-667 9 Delmar MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-30   

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

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