785640 PIN Code: Sivasagar, Sivasagar, Assam – Post Offices

PIN code: 785640
Main post office: Sivasagar (head office)
District: Sivasagar
State: Assam
Postal division: Sibsagar
Region and circle: Dibrugarh Region, Assam circle
Delivery: Delivery PIN (3 of 5 offices deliver)
Location: Open on a map (26.989, 94.632)

Post offices with PIN 785640

Post office	Type	Delivery
Sivasagar	Head office	Delivers mail
Phukannagar	Sub office	Counter only
Rongpurnagar	Sub office	Counter only
Betbari	Branch office	Delivers mail
Towkok	Branch office	Delivers mail

785640 covers 1 head office, 2 sub offices and 2 branch offices. Some of them are in Charaideo district.

What the digits of 785640 mean

7: India Post's Eastern region, which covers Andaman and Nicobar Islands, Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Sikkim, Tripura and West Bengal (3,042 PINs).
78: the Assam postal circle; 578 PINs start with 78.
785: the sorting district, shared by 84 PINs in 6 districts.
640: the delivery post office within it, Sivasagar.

Head post office for 785640

Sivasagar is itself a head post office. It keeps the accounts for the Sibsagar division's sub and branch offices.

Nearby PIN codes in Sivasagar

All 23 PIN codes in Sivasagar

Writing an address with 785640

Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:

Name
House number, street
Sivasagar post office
Sivasagar, Assam – 785640

Frequently asked questions

Which post office has PIN code 785640?

5 post offices share it: Sivasagar, Phukannagar, Rongpurnagar, Betbari and Towkok, in Sivasagar district, Assam.

Is 785640 a delivery PIN code?

Yes. Sivasagar, Betbari and Towkok deliver mail; letters addressed to 785640 are delivered.

Which district is 785640 in?

Sivasagar district, Assam; some of its post offices are in Charaideo. It is in the Sibsagar postal division (Dibrugarh Region) of the Assam postal circle.

What is the head post office for 785640?

Sivasagar is itself a head post office, with PIN 785640.

Sources

Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.

785640 PIN code: Sivasagar, Sivasagar