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: FTWOTXCIDS0

Remotes:

Switch Switch name Switch type
FTWOTXALRS0  Aledo  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-244 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-448 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-448 0 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-448 6 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-448 8 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-448 9 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-489 7 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-560 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-696 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-696 2 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-696 4 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-696 8 Fort Worth TX 9533 SOUTHWESTERN BELL 552      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.