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: TULSOKNADS0

Remotes:

Switch Switch name Switch type
TULSOKAMRS1  TULSA AMHERST  RSC 
TULSOKGERSC  TULSA GENERAL  RSC 
TULSOKTERSC  TULSA TEMPLE  RSC 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-641 6 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-641 7 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-641 8 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-641 9 Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-660 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-663 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-664 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-665 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-669 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-670 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-690 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-692 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-828 A Tulsa OK 9533 SOUTHWESTERN BELL 538      
918-939 6 Tulsa OK 9533 SOUTHWESTERN BELL 538   2018-04-18   

<< 1 2

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

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