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: TLHSFLXAXCZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-427 A Monticello FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953      
850-427 3 Monticello FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2012-01-15   
850-629 2 Tallahassee FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2011-01-02   
850-631 3 Tallahassee FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2012-12-12   
850-631 4 Tallahassee FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2012-12-12   
850-631 5 Tallahassee FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2012-12-12   
850-895 2 Tallahassee FL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2008-10-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.