Sinam Postal Code: 57503

Find the official five-digit postal code for Sinam in Sinam Rural Municipality, Taplejung district, Koshi province, and use the correct address format for Nepal Post.

Official 5-Digit Postal Code
57503
Foreign form asking for 6 digits? Use: 057503

Location Details

Postal Code 57503
Location Name Sinam
Palika / Municipality Sinam Rural Municipality
District Taplejung
Province Koshi
Office Type Area Post Office

About Sinam Post Office

Sinam is part of Sinam Rural Municipality in Taplejung district, Koshi Province of Nepal. Mail for this area is handled by a Area Post Office that operates under the postal code 57503.

Nepal uses a five-digit postal code system. The first digit broadly indicates the region, while the full code identifies the specific post office. Use 57503 for letters, parcels, courier bookings, and address verification in this area.

Browse all postal codes in Taplejung district

How to Address Mail to Sinam

Use this format when sending letters or parcels. A complete address with the correct postal code helps Nepal Post deliver faster.

Recipient Full Name
Ward No. / Tole / Street Name
Sinam, Sinam Rural Municipality
Taplejung, Koshi Province
NEPAL - 57503
  • Double-check the postal code before dispatch.
  • Add a nearby landmark and the recipient's phone number for courier deliveries.
  • Keep the receipt safe for registered mail so you can track it.

6-Digit Format for Foreign Websites

Nepal's official postal code for Sinam is 57503 (five digits). Some international websites, e-commerce checkouts, and online forms only accept a six-digit ZIP or postal code. In that case, simply add a leading zero in front of the official code.

Official 5-digit 57503
Use on foreign sites 057503
For letters and parcels within Nepal, always use the official five-digit code 57503. Use the six-digit format only when a foreign website refuses to accept five digits.

Frequently Asked Questions

What is the postal code of Sinam?
The official postal code of Sinam is 57503. Use this five-digit code for all postal deliveries, couriers, and address forms within Nepal.
Which district and province is Sinam located in?
Sinam is situated in Sinam Rural Municipality. It falls under Taplejung district, located in Koshi Province of Nepal.
What type of post office serves Sinam?
Sinam is served by a Area Post Office operating under the postal code 57503.
How should I address mail to Sinam?
Write the recipient's name, ward or tole, Sinam, Sinam Rural Municipality, Taplejung, Koshi Province, Nepal, and end with the postal code 57503.
Is the postal code 57503 used for the entire Sinam Rural Municipality?
No. Each post office area has its own unique code. The code 57503 belongs to the Sinam post office area. Nearby areas may have different codes, which you can check in the related list on this page.