If you are using the “!JR” Or !Join or !Room Or :Room command (join room) here are all of the room IDs:
100 : Town
110 : Coffee Shop
111 : Book Room
120 : Dance Club
121 : Lounge
122: Plant
130 : Gift Shop
200 : Ski Village
211 : Everyday Phone
220 : Ski Lodge
221 : Lodge Attic
230 : Ski Hill
300 : Plaza
310 : Pet Shop
320 : Dojo
323: Epf HQ
330 : Pizza Parlor
340 : Stage
400 : Beach
410 : Light House
411 : Beacon
420 : Rockhopper’s Ship
421 : Ship Hold
422 : Captain’s Quarters
423 : Crow Nest
800 : Dock
801 : Snow Forts
802 : Ice Rink
803 Head Quarters
804 :Boiler
805 : Ice Berg
806 : Cave
807 : Shack
808 : Mine
809 : Forest
810: Cove
811:Box Dimension
812: Fire Dojo
813: Cave Mine
814 Hidden lake
815: Underwater Room
816: Water Dojo
850: Party Room 1
851: Party Room 2
852: Party Room 3
853: Party Room 4
854: Party Room 5
855: Party Room 6
856: Party Room 7
857: Party Room 8
858: Party Room 9
859: Party Room 10
860: Party Room 11
861: Party Room 12
862: Party Room 13
863: Party Room 14
864: Party Room 15
865: Party Room 16
866: Party Room 17
899: Party Room 18