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: TULSOKGERSC

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-234 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-437 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 0 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 1 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 2 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 3 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-438 8 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 0 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 1 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 2 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 3 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 4 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 5 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 7 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 8 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-439 9 Tulsa OK 9533 SOUTHWESTERN BELL 538      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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