Unlockable Friend Area Wondermail Codes for Pokemon Mystery Dungeon Red/Blue Rescue Team

Below are some useful Friend Area codes that you could use on the games Pokemon Mystery Dungeon Red/Blue Rescue Team. They all have been tested and they all work.

Note that (M) means Male Sign and (F) means Female Sign. The (...) just means the three dots.
Simple, right?

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Unlockable Friend Area Codes:

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To unlock Boulder Cave :
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Client: Oddish
Objective: Help me.
Place: Sinister Woods 8F
Difficulty: D
Reward: Friend Area
Wonder Mail:
P ? 2 Y J 1 T ? 4 H P C
K 1 ? + 0 ? 5 6 6 4 ? W

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To unlock Dragon Cave :
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Client: Phanpy
Objective: Escort to Gligar.
Place: Thunderwave Cave B3F
Difficulty: D
Reward: Friend Area
Wonder Mail:
H ? 0 8 ? 9 S ? ? Q 6 4
? P ? ! 8 4 S 0 + F ? !

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to unlock Mt. Moonview :
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Client: Voltorb
Objective: Escort to Sunkern.
Place: Tiny Woods B3F
Difficulty: D
Reward: Friend Area
Wonder Mail:
0 ? 0 N M 1 S ? ? 0 6 (F)
N 2 ? Y F 4 + 0 N P ? W

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to unlock Sky Blue Plains:
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Client: Baltoy
Objective: Escort to Spearow.
Place: Tiny Woods B3F
Difficulty: D
Reward: Friend Area
Wonder Mail:
2 ? 0 N 1 3 + ? ? 3 6 R
M T ? R 8 4 2 0 M X ? W
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