Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-216 4 Dundalk MD 829J PAETEC ITEL, LLC 238   2001-11-02   
443-216 5 Dundalk MD 829J PAETEC ITEL, LLC 238   2001-11-02   
443-216 6 Dundalk MD 829J PAETEC ITEL, LLC 238   2001-11-02   
443-224 2 Baltimore MD 829J PAETEC ITEL, LLC 238   2006-07-05   
443-229 A Severna Park MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-229 0 Severna Park MD 829J PAETEC ITEL, LLC 238      
443-229 3 Severna Park MD 829J PAETEC ITEL, LLC 238      
443-229 9 Severna Park MD 829J PAETEC ITEL, LLC 238      
443-242 A Sparrows Point MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-242 0 Sparrows Point MD 829J PAETEC ITEL, LLC 238      
443-242 3 Sparrows Point MD 829J PAETEC ITEL, LLC 238      
443-265 A Fork MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-265 0 Fork MD 829J PAETEC ITEL, LLC 238      
443-265 1 Fork MD 829J PAETEC ITEL, LLC 238      
443-265 5 Fork MD 829J PAETEC ITEL, LLC 238      
443-322 A Towson MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-322 0 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 1 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 2 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 5 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 7 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 8 Towson MD 829J PAETEC ITEL, LLC 238      
443-322 9 Towson MD 829J PAETEC ITEL, LLC 238      
443-325 A Ellicott City MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-325 0 Ellicott City MD 829J PAETEC ITEL, LLC 238      
443-325 1 Ellicott City MD 829J PAETEC ITEL, LLC 238      
443-325 7 Ellicott City MD 829J PAETEC ITEL, LLC 238      
443-325 8 Ellicott City MD 829J PAETEC ITEL, LLC 238      
443-325 9 Ellicott City MD 829J PAETEC ITEL, LLC 238      
443-327 A Aberdeen MD 829J PAETEC ITEL, LLC 236   2025-04-01   
443-327 0 Aberdeen MD 829J PAETEC ITEL, LLC 236      
443-330 A Cockeysville MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-330 0 Cockeysville MD 829J PAETEC ITEL, LLC 238      
443-330 1 Cockeysville MD 829J PAETEC ITEL, LLC 238      
443-330 4 Cockeysville MD 829J PAETEC ITEL, LLC 238   2004-09-05   
443-330 9 Cockeysville MD 829J PAETEC ITEL, LLC 238      
443-332 A Crofton MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-332 0 Crofton MD 829J PAETEC ITEL, LLC 238      
443-384 A Parkville MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-384 2 Parkville MD 829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 3 Parkville MD 829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 4 Parkville MD 829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 6 Parkville MD 829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 9 Parkville MD 829J PAETEC ITEL, LLC 238      
443-409 A Edgewood MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-409 0 Edgewood MD 829J PAETEC ITEL, LLC 238      
443-419 A Glenwood MD 829J PAETEC ITEL, LLC 238   2025-04-01   
443-419 0 Glenwood MD 829J PAETEC ITEL, LLC 238      
443-423 0 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-10-12   
443-426 6 Randallstown MD 829J PAETEC ITEL, LLC 238   2006-03-18   

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

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