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: FTWOTXEDDS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-877 8 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-877 9 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-878 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 0 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 1 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 2 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 3 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 4 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 5 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 7 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 8 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-882 9 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 A Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 1 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 2 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 3 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 6 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 7 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-885 8 Fort Worth TX 9533 SOUTHWESTERN BELL 552      
817-886 1 Fort Worth TX 9533 SOUTHWESTERN BELL 552      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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