The Shilarganj postal code is 8566.
It is the code for the local post office in Mathbaria thana / upazila, Pirojpur district, Bangladesh.
So, if you send a letter or parcel there, write 8566 after the district name.
You can also enter 8566 in the ZIP field of any online form.

Details at a glance
- Area: Shilarganj
- Code: 8566
- Post office: Shilarganj
- Thana / upazila: Mathbaria
- District: Pirojpur
- Country: Bangladesh
In addition, every code in Bangladesh has four digits.
Because of this, 8566 is the full code and you need no extra numbers.
How to use the Shilarganj postal code in an address
First, write the house and road number.
Then add the area, the thana and the district with the code.
House 10, Road 2
Shilarganj, Mathbaria
Pirojpur-8566
Bangladesh
Finally, add a working mobile number for the courier.
That way, the parcel reaches the right door faster.
Codes near Shilarganj
For example, these post offices are also in Pirojpur district:
- Betmor Natun Hat – 8565
- Gulishakhali – 8563
- Halta – 8562
- Mathbaria – 8560
- Tiarkhali – 8564
- Tushkhali – 8561
Overall, Pirojpur district has 25 post offices in our directory, with codes from 8500 to 8566.
As a result, two nearby areas can still use different codes.
Therefore, never copy a neighbour’s code without checking it first.
You can also see every Pirojpur code on one page.
Why the right code matters
A wrong code can send your parcel to another post office.
As a result, delivery may take several extra days.
Banks, passport offices and job portals also check the code against your address.
For this reason, many online shops reject an order when the code and district do not match.
Likewise, couriers in Pirojpur sort parcels by code before they go out for delivery.
So, a correct code saves time for you and for the person who receives the parcel.
For official postal services, visit the Bangladesh Post Office website.