You can't go to Hoenn in HG/SS.
to get bugsy's phone number wait tell tusday and go to viridain forest [at the end of forest] and she will be right there
When you get their phone numbers they tell when to call, or if you call them they'll tell you when to call again.
All of them have phone numbers, but there are certain ways to get them. I would try looking up "how to get all gym leader's phone numbers in heartgold" on google
In the Trainer's House after getting their phone numbers.
You have to search Johto and Kanto and find all the gym leaders out side of there gyms and and then talk to them and they will eventually give you their numbers
71 or 72 phone numbers... I hear you can get Lance's, too, but... Meh. It's probably a lie.
No, you don't. You cannot face the Sinnoh Gym Leaders in HeartGold.
You must search in various places. I have 2 gym leaders phone numbers, Clair and Sabrina. Clair's in dragons den on fridays and Sabrina's at the Fast ship S.S. aqua dock on saturdays.
you have to get their phone numbers. after that, if you call them on a certain day at a certain time, they'll ask you to battle. go to psypokes.com for info on where to meet them.
search same question without the kanto part
You get their phone # then phone them and they will battle.
think its 99