Phanpy locations — where to catch

In Paldea (Scarlet & Violet)

• Asado Desert — Walk
• Poco Path — Walk
• South Province (Area Four) — Walk
• South Province (Area One) — Walk
• South Province (Area Six) — Walk
• South Province (Area Two) — Walk
• West Province (Area One) — Walk
• West Province (Area Three) — Walk
• West Province (Area Two) — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Route 207 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Mt. Silver — Walk
• Mt. Silver Cave — Walk
• Route 45 — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Sevii Islands (FireRed & LeafGreen)

• Canyon Entrance — Walk
• Sevault Canyon — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 45 — Walk
• Route 46 — Walk

Other games (4)

• Brilliant Diamond / Shining Pearl (Gen 8): Route 207
• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Nimbasa City
• XD (Gen 3): Pokespot

Phanpy — full Pokédex entry