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: MIAMOKMADS0

Remotes:

Switch Switch name Switch type
GRVEOKMARL1  GROVE  AXR 
PCHROKMARL1  PICHER  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-540 A Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 0 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 1 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 2 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 3 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 5 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 6 Miami OK 9533 SOUTHWESTERN BELL 538      
918-540 7 Miami OK 9533 SOUTHWESTERN BELL 538      
918-541 A Miami OK 9533 SOUTHWESTERN BELL 538      
918-541 1 Miami OK 9533 SOUTHWESTERN BELL 538      
918-541 2 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 A Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 1 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 2 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 3 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 4 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 5 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 6 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 7 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 8 Miami OK 9533 SOUTHWESTERN BELL 538      
918-542 9 Miami OK 9533 SOUTHWESTERN BELL 538      
918-544 A Miami OK 9533 SOUTHWESTERN BELL 538      
918-544 7 Miami OK 9533 SOUTHWESTERN BELL 538      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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