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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-442 A Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 0 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 1 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 2 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 3 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 4 Parkville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-07-01   
443-442 5 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 6 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-07-18   
443-442 7 Parkville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-10-01   
443-442 8 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 9 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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