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: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-212 A Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 0 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 1 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 2 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 3 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 4 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 5 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 6 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 7 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 8 Fort Worth TX FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-212 9 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.