Earlier, the ward numbers were 01 (Kodungaiyur West) and 02 (Kodungaiyur East).

In the Expanded Chennai Corporation (200 wards), after delimitation of zones and wards, Kodungaiyur will fall under ward numbers 34, 35, 36 and 37 (all four wards will come under Zone No: IV as per the newly expanded corporation limits).

Kodungaiyur has a number of educational institutions. Some of them are:

Colleges edit

• Thiruthangal Nadar College, Selavayal
• Muthu Kumaraswamy Arts and Science College, Muthamil Nagar
• Ambedkar Govt Arts College, MKB Nagar
• Chennai Amirtha, Perambur
• Chevalier T Thomas Elizabeth College for Women, Sembium
• St. Anne's Arts and Science College, Moolakadai
• St Sebastian's Industrial Training Institute

• Pavithra Hospital
• KVT Multi Speciality Hospital, M.R Nagar
• Subha Hospital, Muthamil Nagar
• Noor Hospital, Chinna Kodungaiyur
• Fathima Hospital, Kodungaiyur, Near Moolakadai
• NRV Hospital, Kodungaiyur
• Arjun Hospital, Kaviarasu Kannadasan Nagar
• ESI dispensary, M.R Nagar.
• Nallam Hospital, M.K.B Nagar
• Sri Durga health centre, Near KKD Nagar E.B

Kodungaiyur covers a vast area bordering Manali to the north, Korukkupet to the east, Madhavaram Milk Colony and Madhavaram to the west, Perambur to the southwest and MKB Nagar (Vysarpadi) to the south.

National Highway 16 (NH 16) touches this area in the southwest at Moolakadai.

• Kamarajar salai > Thiruvalluvar street > Manali road (from Moolakadai towards Chinna Kodungaiyur)
• Tondiarpet High (TH) road (from Moolakadai towards KKD Nagar and further till Ezhil Nagar)
• Ethirajsamy Salai (from Erukancherry towards MR Nagar)
• Meenambal Salai (from MKB Nagar towards KKD Nagar)

• The southwestern part (older part) of the locality around Kamarajar Salai is called "Periya Kodungaiyur", whereas the northwestern part (relatively recently developed part) around Manali Salai is called "Chinna Kodungaiyur." Thiruvalluvar street making the unofficial divider between these two areas.
• Places like Kamarajar Salai, Tondiarpet High (TH) road, SIDCO Main Road, MR Nagar, Meenambal Salai houses many business entities (supermarkets, restaurants, banks/ATMs, fuel stations, telephone exchange etc.) whereas Kodungaiyur West (Parvathi Nagar, Seetharam Nagar, Narayanaswamy garden, Soundarya Nagar etc.) is a residential neighbourhood.
• P6 Kodungaiyur Police Station is on SIDCO main Road.
• TNEB substation is on SIDCO main Road, KKD Nagar. It is 33/11 KV substation, which delivers power to MR Nagar, KKD Nagar and other eastern parts of Kodungaiyur. Western parts of Kodungaiyur like Narayanasamy garden, RV Nagar, Kamarajar Salai are catered by Sembium substation.
• The Housing Board residences are at KKD Nagar (Phase I) and Muthamil Nagar (Phase II) which are major developments is last 2 decades. Apart from this, private builders contribute to the development of this area, one such is the RC West minister in Kamarajar Salai.

Kaviarasu Kannadasan Nagar (KKD Nagar) is a part of 'Kodungaiyur' in the city of Chennai and both (KKD Nagar & Kodungaiyur) are not separate geographical locations (since it is assumed wrongly that they are different localities as name boards of most commercial establishments display 'KKD Nagar, Chennai-118' and very few shops display 'KKD Nagar, Kodungaiyur, Chennai-118').

Chinna Kodungaiyur and Periya Kodungaiyur alone do not account to the Kodungaiyur's total geographical area as they are merely parts of Kodungaiyur.

Most notable neighbourhoods in Kodungaiyur are Chinnandimadam, Amudham Nagar, Selavayal, Narayanasamy Garden, Soundarya Nagar, Parvathi nagar, Venkateswara Nagar (Part I & II), Seetharam Nagar, R.V.Nagar, Union Carbide Colony, Brindavan Nagar, Sastri nagar, Jambuli newcolony, Ponnusamy Nagar, Krishna Moorthy Nagar, Vivekananda Nagar, Soundarya Nagar, Ambika Nagar, C hinnandi madam etc.

Apart from these, Muthamil Nagar, MR Nagar, KKD Nagar, Gandhi Nagar and Parvathi Nagar are most important places.^{[citation needed]}

• Pandian A/C formerly Known as Odiyan Mani
• Aiyappa Theatre
• Shanmuga A/c DTS Theatre

Metropolitan Transport Corporation (MTC) runs passenger buses to Kodungaiyur from other major parts of Chennai city. There are 3 bus terminuses in Kodungaiyur. They are Kaviarasu Kannadasan Nagar (KKD Nagar), and Parvathi Nagar.

KKD Nagar edit

KKD Nagar Terminus is the heart of Kodungaiyur's transportation system.

Parvathi Nagar edit

Few buses like 38D, 33C, 64K Extn originate and end here.