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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-828 A Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238   2025-04-01   
443-828 0 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 1 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 2 Ellicott City MD   515J IP HORIZON LLC 238   2013-09-06   
443-828 3 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 4 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 5 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 6 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 7 Ellicott City MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-828 8 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      
443-828 9 Ellicott City MD PIVLMDPKXGX  829J PAETEC ITEL, LLC 238      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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