| Unlockable: | How to unlock: |
| Lt. Surge's Phone Number | Defeat Zapdos on Route 10 in front of the Power Plant then leave and go back there from 9 AM to 12 AM on any day to find Lt. Surge. He will ask you to show him a Pikachu [They can be caught in Viridian Forest]. After you show him one, you get his phone number. |
| Sabrina's Phone Number | Go to Olivine City's Harbor [Path to S.S. Anne] on Friday at anytime to find Sabrina near the boat. Talk to her to exchange phone numbers. |
| Erika's Phone Number | Go to Celadon City on Saturday or Sunday from 3 PM - 5 PM to find Erika standing in front of a Water Fountain. She is talking to Jasmine about other female Gym Leaders. Once she sees that you are there, you can exchange phone numbers with her. |
| Misty's Phone Number | First, defeat Suicune on Route 25. [Refer to other cheats on how to do that] Then, visit Route 25 on any day from 4 PM - 6 PM to find Misty looking out at ... nature. Talk to her to exchange phone numbers. |
| Janine's Phone Number | Go to the gate that separates a route from Victory Road on any day from 4 PM - 6 PM to find Janine doing some errands for her dad. Talk to her to exchange phone numbers. |
| Brock's Phone Number | Go to to one of the entrances of Diglett's Cave on any day from 12 PM - 3 PM to find Brock. Talk to him to exchange phone numbers. |
| Blaine's Phone Number | Go to Cinnabar Island at any time on Tuesday to find Blaine, looking at the remains of the island. Talk to him to exchange phone numbers. |
| Blue's Phone Number | [Pallet Town] Get Blue's Sister, Daisy to massage one of your Pokemon 5 times. After she does that, she'll give you her brother's phone number [3PM - 4 PM]. She massages one Pokemon from 3 PM - 4 PM on any day. |