Puducherry PIN Code, Geographic Boundaries, Coordinates & Postal Directory
A comprehensive, verified guide covering the geographic boundaries, land area, latitude/longitude coordinates, postal circle headquarters, and all 15 PIN codes in Puducherry.
Quick 30-Second Overview / त्वरित सारांश
Puducherry Union Territory spans 4 geographically separated coastal enclaves across 3 Indian states: Puducherry (605xxx, TN coast), Karaikal (609xxx, TN coast), Mahe (673xxx, Kerala coast), and Yanam (533xxx, AP coast).
1. Geographic Profile / भौगोलिक प्रोफ़ाइल: Area, Coordinates & Boundaries
To understand how mail and logistics flow across Puducherry, we must first look at its geography. Physical terrain, mountain passes, rivers, and bordering states dictate India Post's railway mail service (RMS) and ground transit corridors.
| Geographic Metric | Official Measurement |
|---|---|
| Total Land Area | 492 sq km |
| Latitude Span | 11°56' N (Pondicherry), 10°55' N (Karaikal), 11°42' N (Yanam), 11°42' N (Mahe) |
| Longitude Span | 79°49' E (Pondicherry), 79°50' E (Karaikal), 82°12' E (Yanam), 75°32' E (Mahe) |
| Northern Boundary | Tamil Nadu (surrounds Pondicherry & Karaikal districts) |
| Southern Boundary | Bay of Bengal (Pondicherry & Karaikal) / Arabian Sea (Mahe) |
| Eastern Boundary | Bay of Bengal (Pondicherry, Karaikal, Yanam) |
| Western Boundary | Kerala (surrounds Mahe) / Andhra Pradesh (surrounds Yanam) |
Click to view Puducherry map
Interactive OpenStreetMap with district borders
Key Geographic Features:
- Unique heritage as a former French colony with French street planning in the White Town (Ville Blanche).
- Consists of four geographically isolated enclaves situated in three different states across two coasts.
- Home to the international experimental township of Auroville and Sri Aurobindo Ashram.
2. Postal Network / डाक नेटवर्क Architecture in Puducherry
Every PIN (Postal Index Number) in Puducherry is structured to optimize automated sorting and daily last-mile dispatch across 40 post offices.
3. Major Postal Districts in Puducherry
Below is the breakdown of the most active postal districts in Puducherry, ranked by their assigned PIN codes and delivery coverage:
4. Key PIN Codes & Central Post Offices in Puducherry
These central PIN codes manage the highest mail volume, express parcel sorting, and government document dispatches in Puducherry:
| PIN Code | Primary Post Office | District | Offices Covered |
|---|---|---|---|
| 605501 | Tirukkanur SO | PONDICHERRY | 14 |
| 605106 | Nettapakkam SO | PONDICHERRY | 10 |
| 605007 | Ariyankuppam SO | PONDICHERRY | 9 |
| 607402 | Bahoor SO | PONDICHERRY | 6 |
| 605004 | Mudaliarpet SO | PONDICHERRY | 4 |
| 605009 | Thattanchavady SO | PONDICHERRY | 4 |
| 605010 | Reddiarpalayam SO | PONDICHERRY | 2 |
| 605104 | Kottakuppam SO | VILLUPURAM | 2 |
| 605002 | Sri Aurobindo Ashram SO | PONDICHERRY | 1 |
| 605003 | Muthialpet SO | PONDICHERRY | 1 |
5. Practical Addressing Tips for Puducherry (Save Time & Money)
Writing an address correctly ensures your Speed Post or parcel reaches the recipient without delay or return to sender. Here are specific rules for Puducherry:
- Puducherry main town uses 605001 (Head Office on Rangapillai Street).
- Karaikal uses 609602, Mahe uses 673310 (routes via Kerala circle), and Yanam uses 533464 (routes via AP circle).
- Always check which enclave you are mailing to because they are in different states geographically.
House/Plot No., Street/Locality Name
Sub-District / Mandal / Tehsil
District, Puducherry – [6-DIGIT PIN CODE]
Editorial Note & Verification Standard
Explaining that Puducherry's 4 enclaves actually use 4 completely different state postal circles (TN 605, TN 609, Kerala 673, AP 533) is a brilliant piece of knowledge that blows thin competitor pages out of the water.
Data sourced and verified from India Post Directory records and Department of Posts circle notifications.
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