Sonama Postal Code

The postal code of Sonama Rural Municipality (सोनमा) in Mahottari District, Madhesh Province, is 20403.

In Nepal, the postal code, ZIP code, PIN code, and post code are the same number. For Sonama it is 20403, whichever name a form uses.

Which code should I use?

Use the new 5-digit code, 20403. Nepal Post introduced it in 2025, and it replaces the old code from 1991. If you know your ward, the 7-digit ward code is more precise.

We do not show an old code for Sonama, because no old code has been confirmed for it. If you have an old code, the old to new converter shows what we know about it.

Ward codes

Nearby local levels in Mahottari District

• Bardibas Municipality20401
• Gaushala Municipality20402
• Aurahi Municipality20404
• Bhangaha Municipality20405
• Loharpatti Municipality20406
• Balwa Municipality20407
• Ramgopalpur Municipality20408
• Samsi Rural Municipality20409
• Manra Siswa Municipality20410
• Ekdanra Rural Municipality20411
• Mahottari Rural Municipality20412
• Pipra Rural Municipality20413
• Matihani Municipality20414
• Jaleswor Municipality20415

All postal codes in Mahottari District

Questions

What is the postal code of Sonama?

The postal code of Sonama Rural Municipality is 20403.

Is the Sonama ZIP code or PIN code the same as its postal code?

Yes. Nepal uses one number for all of them. The ZIP code, PIN code, and post code of Sonama Rural Municipality are all 20403.

What are the ward codes of Sonama?

Sonama has 8 wards, and each has its own 7-digit code: 2040301 (ward 1) to 2040308 (ward 8). A ward code is the palika code followed by the two-digit ward number.

Which district and province is Sonama in?

Sonama Rural Municipality is in Mahottari District, Madhesh Province. Every postal code in Mahottari District starts with 204.