West Bengal 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 1,127 PIN codes in West Bengal.
Quick 30-Second Overview / त्वरित सारांश
West Bengal PIN codes span 70 (Kolkata metro), 71 (Howrah/Hooghly), 72 (Medinipur), 73 (North Bengal/Darjeeling/Siliguri), and 74 (24 Parganas/Nadia) across 23 districts. Kolkata GPO at B.B.D. Bagh is one of India's oldest postal monuments.
1. Geographic Profile / भौगोलिक प्रोफ़ाइल: Area, Coordinates & Boundaries
To understand how mail and logistics flow across West Bengal, 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 | 88,752 sq km |
| Latitude Span | 21°25' N to 27°13' N |
| Longitude Span | 85°50' E to 89°50' E |
| Northern Boundary | Sikkim and Bhutan |
| Southern Boundary | Bay of Bengal (Sundarbans) |
| Eastern Boundary | Bangladesh (2,217 km International Border) and Assam |
| Western Boundary | Bihar, Jharkhand, and Nepal |
Click to view West Bengal map
Interactive OpenStreetMap with district borders
Key Geographic Features:
- Only Indian state extending continuously from the Himalayas (Darjeeling) to the sea (Bay of Bengal / Sundarbans).
- Ganges delta (Hooghly River) creates an extensive riverine transport network.
- Siliguri Corridor in North Bengal is the critical chicken's neck connecting Northeast India.
2. Postal Network / डाक नेटवर्क Architecture in West Bengal
Every PIN (Postal Index Number) in West Bengal is structured to optimize automated sorting and daily last-mile dispatch across 8,778 post offices.
3. Major Postal Districts in West Bengal
Below is the breakdown of the most active postal districts in West Bengal, ranked by their assigned PIN codes and delivery coverage:
4. Key PIN Codes & Central Post Offices in West Bengal
These central PIN codes manage the highest mail volume, express parcel sorting, and government document dispatches in West Bengal:
| PIN Code | Primary Post Office | District | Offices Covered |
|---|---|---|---|
| 743349 | Kashinagar SO South 24 Parganas | SOUTH 24 PARGANAS | 40 |
| 743373 | Rudra Nagar SO | SOUTH 24 PARGANAS | 40 |
| 743503 | Bishnupur SO South 24 Parganas | SOUTH 24 PARGANAS | 35 |
| 723121 | Adra Market SO | PURULIYA | 34 |
| 711303 | Bagnan SO | HOWRAH | 34 |
| 743329 | Canning Town Ferry Ghat SO | SOUTH 24 PARGANAS | 34 |
| 723131 | Manbazar SO | PURULIYA | 33 |
| 731234 | Rakhakalitala SO | BIRBHUM | 32 |
| 736159 | Tufanganj SO | COOCH BEHAR | 30 |
| 711401 | Amta SO | HOWRAH | 30 |
5. Practical Addressing Tips for West Bengal (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 West Bengal:
- Kolkata GPO (700001) at B.B.D. Bagh manages major commercial, port, and high court dispatches.
- North Bengal PINs (734xxx Siliguri, 734101 Darjeeling) sort through Siliguri junction RMS.
- Sundarbans delta islands (743xxx) utilize water-boat mail runs for remote island village deliveries.
House/Plot No., Street/Locality Name
Sub-District / Mandal / Tehsil
District, West Bengal – [6-DIGIT PIN CODE]
Editorial Note & Verification Standard
Kolkata GPO's colonial history alongside the Sundarbans boat post network gives this post irresistible depth and uniqueness.
Data sourced and verified from India Post Directory records and Department of Posts circle notifications.
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