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: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-978 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-978 0 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2012-01-19   
443-978 1 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-07-14   
443-978 2 Salisbury MD SLBRMDSC2MD  5562 METROPCS, INC. 242   2018-10-14   
443-978 3 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2017-08-20   
443-978 4 Salisbury MD   876D ONVOY, LLC - MD 242   2024-02-25   
443-978 5 Salisbury MD   876D ONVOY, LLC - MD 242   2024-02-25   
443-978 6 Salisbury MD   073H TELNYX LLC 242   2024-03-31   
443-978 7 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2016-03-08   
443-978 8 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2016-01-18   
443-978 9 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-07-14   

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

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