Pincode 600055 have been assigned to 6 locations.

Avadi IAF , Avadi Camp , Ambattur
Koduvalli , Avadi IAF , Poonamallee
Mittanamalli , Avadi IAF , Poonamallee
Morai , Avadi IAF , Poonamallee
Palavedu , Avadi IAF , Poonamallee
Pandeeswaram , Avadi IAF , Poonamallee