621804 PIN code: Udayarpalayam SO Ariyalur, Ariyalur

PIN code

621804

Main post office

Udayarpalayam SO Ariyalur (sub office)

District

Ariyalur

State

Tamil Nadu

Postal division

Tiruchirapalli

Region and circle

Central Region Trichirapalli, Tamilnadu circle

Delivery

Delivery PIN (16 of 17 offices deliver)

Location

Open on a map (11.188, 79.258)

Post offices with PIN 621804

621804 covers 0 head offices, 1 sub office and 16 branch offices.

What the digits of 621804 mean

• 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
• 62: the Tamilnadu postal circle; 693 PINs start with 62.
• 621: the sorting district, shared by 99 PINs in 5 districts.
• 804: the delivery post office within it, Udayarpalayam SO Ariyalur.

Head post office for 621804

The post offices with this PIN belong to the Tiruchirapalli postal division, whose head offices are listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.

• Lalgudi head post office: 621601
• Tiruchirappalli head post office: 620001

Nearby PIN codes in Ariyalur

• Kallathur Thandalai621803
• Varadarajampettai621805
• Jayamkondacholapuram621802
• Variyankaval621806
• Andimadam621801
• Thirumazhapadi621851
• Reddipalayam621731
• Cement Nagar Dalavoy621730

All 32 PIN codes in Ariyalur

Writing an address with 621804

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
Udayarpalayam SO Ariyalur post office
Ariyalur, Tamil Nadu – 621804

Frequently asked questions

Sources

• India Post – All India Pincode Directory (data.gov.in)
• India Post – Know your PIN code

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.