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: LTRKARFRXJZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-246 A Little Rock AR 318J COMCAST IP PHONE, LLC 528      
501-313 A Little Rock AR 318J COMCAST IP PHONE, LLC 528      
501-353 A Little Rock AR 318J COMCAST IP PHONE, LLC 528      
501-414 A Little Rock AR 318J COMCAST IP PHONE, LLC 528      
501-446 A Cabot AR 318J COMCAST IP PHONE, LLC 528      
501-737 A Scott AR 318J COMCAST IP PHONE, LLC 528      
870-204 A Harrison AR 318J COMCAST IP PHONE, LLC 528      
870-244 A Earle AR 318J COMCAST IP PHONE, LLC 528      
870-795 A Parkin AR 318J COMCAST IP PHONE, LLC 528      
870-929 A Berryville AR 318J COMCAST IP PHONE, LLC 528      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.