Sinam Postal Code: 57503
The official postal code for Sinam, located in Sinam Rural Municipality of Taplejung district, Koshi province, is 57503. This location is served by a Area Post Office.
Location Details
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. Using the exact code helps Nepal Post sort your letters and parcels at the right facility and deliver them without delay or misrouting.
Nepal uses a five-digit postal code system. The first digit broadly indicates the region, while the full code identifies the specific post office. 57503 is the unique code assigned to the Area Post Office serving Sinam, so use it for all postal deliveries, courier bookings, and address verification for this area.
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.
- 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 to Use on 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. This is a widely accepted workaround and does not cause delivery issues, because the Nepali postal system reads the original five-digit code.