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: TULSOKFIRSC

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-425 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 0 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 1 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 2 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 3 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 4 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 5 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 6 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-425 7 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 0 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 1 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 2 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 3 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 4 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-428 7 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-430 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-430 0 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-430 1 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-430 2 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-430 7 Tulsa OK 9533 SOUTHWESTERN BELL 538      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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