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.

Switch: PIVLMDPKXEX

<< 1 2 3 4 5 6 7 8 9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-954 5 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 6 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 7 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 8 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 9 Baltimore MD 829J PAETEC ITEL, LLC 238   2005-08-27   
443-955 7 Baltimore MD 829J PAETEC ITEL, LLC 238   2007-11-10   
667-204 A Annapolis MD 829J PAETEC ITEL, LLC 238   2025-04-01   
667-204 3 Annapolis MD 829J PAETEC ITEL, LLC 238   2017-02-27   
667-204 4 Annapolis MD 829J PAETEC ITEL, LLC 238   2017-02-27   
667-204 5 Annapolis MD 829J PAETEC ITEL, LLC 238   2017-02-27   
667-204 6 Annapolis MD 829J PAETEC ITEL, LLC 238   2017-02-27   
667-204 7 Annapolis MD 829J PAETEC ITEL, LLC 238   2017-02-26   
667-213 3 Baltimore MD 829J PAETEC ITEL, LLC 238   2014-08-27   
667-213 4 Baltimore MD 829J PAETEC ITEL, LLC 238   2014-08-27   
667-217 3 Baltimore MD 829J PAETEC ITEL, LLC 238   2014-05-01   
667-218 6 Baltimore MD 829J PAETEC ITEL, LLC 238   2016-05-07   
667-219 2 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-03-30   
667-219 6 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-06-30   
667-219 7 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-06-30   
667-224 2 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-04-20   
667-224 3 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-04-20   
667-224 4 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-04-20   
667-224 5 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-04-20   
667-224 8 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-06-30   
667-224 9 Baltimore MD 829J PAETEC ITEL, LLC 238   2015-06-30   
667-229 1 Aberdeen MD 829J PAETEC ITEL, LLC 236   2016-04-08   
667-600 2 Baltimore MD 829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 3 Baltimore MD 829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 4 Baltimore MD 829J PAETEC ITEL, LLC 238   2016-07-28   

<< 1 2 3 4 5 6 7 8 9

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.