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.

NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 245

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-245 A Elkton MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-245 0 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 1 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 2 Elkton MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-12-15   
443-245 3 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 4 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 5 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 6 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 7 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 8 Elkton MD   829J PAETEC ITEL, LLC 238      
443-245 9 Elkton MD   829J PAETEC ITEL, LLC 238      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.