River Cities United Way » Membership Directorycalicoders2023-08-10T05:34:57+00:00 Go back to directory. Add to Address Book. River Cities United Way River Cities United Way POB 996 Lake Havasu City AZ 86405 work Work Phone: 928-855-6333work Work Email: debi@rcuw.orgINTERNET Categories: Non-Profit Updated 1 week ago.