Cope
Exchange money
Banque Populaire near the post office offers 2 possibilities of exchanging money: inside the bank, or, easy/quick automatic machine on the street (accurate exchange - just put the money inside the machine and will automatically give you Dirhams.
Medical Doctor Erfoud
Dr Fatiha Lemjimer is without a doubt Erfoud best doctor. She has French Doctor University so expect very professional behavior. Ultrasound equipment.
Computer Repair
Nowadays most people travel with their own laptop. Having a problem is common while traveling. If anything gets to your PC, this is the place to go. Also several hardware available from USB keys to portable hard-drives.
Internet Cafés
If you need to check your email, Erfoud offers quite a few number of places where you can surf the Internet at a fast speed connection. Ask around or search for outside street signs.