Not many store in salt lake, but you should try asking a friend.
you can get the trade Pokemon in jubilife city from the global trade station
Defeat Master Greevil. When this is completed, you can trade from the Pokemon Center in Phenac City.
The global trade station is in Jubilife city. where in jublife city!
To trade Pokemon go to the poke center and go up stairs into the union room.
You trade Spaerow for Farfetch'd in Vermillion City.
Vermilion city.
In HG/SS you trade Shards for Berries. Trade with Jugglers in Violet City and Fuchsia City.
Bottom and top floors of Pokemon centre and GTS ( jubilife city)
Pewter city pokemon center
You must trade it with a friend, with WIFI-connection in Jublife city(trade building) or transfer it from Pokemon ranger.
Theres a guy that willl trade you an Abra for a Machop
there are people in Snowpoint city Jubilife city? eterna city