Pachaiappan Nagar Phase I is an neighbourhood in Koladdi Village, Ayappakkam, Chennai, Tiruvallur District , Tamil Nadu, India. Ayappakkam (0.0 Km), Kil Ayanambakkam (3.57 Km), Thiruverkkadu (4.28 Km), Ambattur (4.66 Km), Avadi (5.82 Km) are the nearby areas to Pachaiappan Nagar Phase I. Kondithope, Adayalampattu, Chennai are the nearby cities to Pachaiappan Nagar Phase I.