Arunachal Pradesh 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 49 PIN codes in Arunachal Pradesh.
Quick 30-Second Overview / त्वरित सारांश
Arunachal Pradesh uses PIN codes starting with 791 and 792. Spanning 83,743 sq km across rugged Himalayan ranges, mail routes through the North East Postal Circle via Guwahati and Tezpur transit points.
1. Geographic Profile / भौगोलिक प्रोफ़ाइल: Area, Coordinates & Boundaries
To understand how mail and logistics flow across Arunachal Pradesh, 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 | 83,743 sq km (Largest in Northeast India) |
| Latitude Span | 26°28' N to 29°30' N |
| Longitude Span | 91°30' E to 97°30' E |
| Northern Boundary | Tibet / China (McMahon Line) |
| Southern Boundary | Assam and Nagaland |
| Eastern Boundary | Myanmar |
| Western Boundary | Bhutan |
Click to view Arunachal Pradesh map
Interactive OpenStreetMap with district borders
Key Geographic Features:
- Himalayan terrain ranging from foothill sub-tropical forests to snow-capped peaks exceeding 7,000 meters.
- Shares international borders with three nations: Bhutan, China (Tibet), and Myanmar.
- Five major river valleys: Kameng, Subansiri, Siang, Dibang, and Lohit.
2. Postal Network / डाक नेटवर्क Architecture in Arunachal Pradesh
Every PIN (Postal Index Number) in Arunachal Pradesh is structured to optimize automated sorting and daily last-mile dispatch across 309 post offices.
3. Major Postal Districts in Arunachal Pradesh
Below is the breakdown of the most active postal districts in Arunachal Pradesh, ranked by their assigned PIN codes and delivery coverage:
4. Key PIN Codes & Central Post Offices in Arunachal Pradesh
These central PIN codes manage the highest mail volume, express parcel sorting, and government document dispatches in Arunachal Pradesh:
| PIN Code | Primary Post Office | District | Offices Covered |
|---|---|---|---|
| 792110 | Roing S.O | Dibang Valley | 19 |
| 791001 | Along S.O | West Siang | 18 |
| 791120 | Ziro S.O | Lower Subansiri | 16 |
| 791102 | Pasighat S.O | East Siang | 13 |
| 791122 | Daporijo S.O | Upper Subansiri | 13 |
| 792130 | Khonsa S.O | Tirap | 13 |
| 792103 | Namsai S.O | Lohit | 12 |
| 792131 | Longding S.O | Tirap | 12 |
| 792122 | Miao S.O | Changlang | 11 |
| 791103 | Hill Top S.O | East Siang | 10 |
5. Practical Addressing Tips for Arunachal Pradesh (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 Arunachal Pradesh:
- Remote branch offices (BO) in high-altitude districts like Tawang and Anjaw can have weather-dependent delivery schedules.
- Speed Post parcels for Arunachal Pradesh are air-lifted to Guwahati (Assam) before ground transit.
- Specify landmark or nearest Army/Assam Rifles transit camp for border post addresses.
House/Plot No., Street/Locality Name
Sub-District / Mandal / Tehsil
District, Arunachal Pradesh – [6-DIGIT PIN CODE]
Editorial Note & Verification Standard
Arunachal Pradesh postal content stands out by addressing the mountain logistical realities and international border transit nodes.
Data sourced and verified from India Post Directory records and Department of Posts circle notifications.
Need to Find a Specific PIN Code in Arunachal Pradesh?
Browse all 21 districts or use our real-time search box to find any post office immediately.