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: 972

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-972 A Cambridge MD SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242      
443-972 0 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-972 1 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-972 2 Cambridge MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
443-972 3 Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-972 4 Cambridge MD SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242      
443-972 5 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-972 6 Cambridge MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
443-972 7 Cambridge MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
443-972 8 Cambridge MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-972 9 Cambridge MD SLBRMD902MD  073H TELNYX LLC 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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