The regional chamber provides services for businesses that are located in Diamond Bar, Hacienda Heights, La Puente, Rowland Heights, Valinda and Walnut.
Address:
19720 Walnut Dr S Walnut CA 91789
Website:
http://www.regionalchambersgv.com
Phones:
- FAX (909) 869-0761, Service/Intake and Administration (909) 869-0701