The handbook or information materials provided to you during the PDOS will include some information and contact details of these services. Search online. Explore your neighbourhood. Get tips and advice from friends, colleagues and neighbours. There are also group sites or chats in Facebook and other social media that can give insights. Attend and participate regularly with the activities of the Embassy and the community to get updates.
If you have smart phones, install applicable mobile application to help you such as google maps (also wage), city services (my city, Dubai now) and transport options (Uber, Gett, Grab, Careem).