This is the Tunisia postcode website, including more than 4868 items of area, city, region and zip code etc.
Region 1

Region1 ZIP
Zaghouan 1100
Kebili 4200
Kasserine 1253
Kairouan 3100
Jendouba 8100
Gafsa 2100
Gabes 6000
Bizerte 7000
Ben Arous 2013
Béja 9000

Region 2
All
Link