Office Details — Onnalvadi
Onnalvadi Pin Code is 635109.Onnalvadi is located in district Krishnagiri, TAMIL NADU, INDIA.
Onnalvadi — PIN Code 635109
The PIN code for Onnalvadi is 635109. This is a B.O located in Hosur Taluk, Krishnagiri district, TAMIL NADU, India. It operates under the Krishnagiri Postal Division, within the Coimbatore Region of the
TamilnaduPostal Circle
For all mail addressed to Onnalvadi, the correct 6-digit code to use is 635109 — on courier forms, bank applications, GST registration, Aadhaar update requests, and any official document that asks for a postal code. This is the code India Post uses internally to route letters and parcels to this office's delivery area. Using a nearby locality's code, even one that shares the same first five digits, can reroute your mail to a different delivery point entirely.
Where Onnalvadi Sits in the Postal Chain
Every post office in India connects upward through a chain of administrative offices — and knowing this chain matters when a delivery goes wrong, when you need to escalate a complaint, or when you're looking for a service that the local office doesn't offer directly.
Onnalvadi (B.O) is the delivery point for residents and businesses in this part of Hosur Taluk. Mail addressed to 635109 arrives here and is distributed to the surrounding addresses.
Moving up the chain: Onnalvadi reports to Hosur S.O (Dharmapuri) — the Sub-Office that manages a cluster of Branch Offices in this area, including Onnalvadi. Hosur S.O (Dharmapuri) handles services that aren't available at the Branch Office level and is the first escalation point for delivery complaints specific to this locality.
Above Hosur S.O (Dharmapuri) is Krishnagiri H.O— the Head Post Office for this part of Krishnagiri. Krishnagiri H.Ois where district-level postal accounting, treasury functions, and unresolved consumer grievances are handled. If a parcel is showing as in transit within the Krishnagiri Division but hasn't arrived, Krishnagiri H.Ois the right office to contact.
Above the Head Office sits the Krishnagiri Postal Division, which is part of the Coimbatore Region , under the TamilnaduPostal Circle headquartered in TAMIL NADU. The Chief Postmaster General (CPMG) of the TamilnaduCircle oversees all postal operations across the state.
In plain terms: if you have a delivery problem at Onnalvadi, the escalation path is — Onnalvadi → Hosur S.O (Dharmapuri) → Krishnagiri H.O→ Krishnagiri Division office.
Delivery Status — What It Means for 635109
Onnalvadi is a {Delivery_Status} office. If Delivery Status = Delivery: This means Onnalvadi runs its own postman route. Letters, Speed Post articles, registered parcels, and e-commerce deliveries addressed to 635109 are brought to this office and dispatched from here to the individual doorsteps within its jurisdiction. When a tracking update says "out for delivery," the postman is working out of Onnalvadi.
If Delivery Status = Non-Delivery: This means Onnalvadi accepts mail for booking and handles administrative services, but does not run a doorstep delivery route. Inbound mail addressed to 635109 is passed to Hosur S.O (Dharmapuri) or another nearby delivery office for the final leg. If you're waiting for a parcel and tracking shows it has reached the Krishnagiri Division but not been delivered, contact Hosur S.O (Dharmapuri) — that is the office handling delivery for this area.
Understanding PIN Code 635109
The code 635109 is not a random number. Each digit carries a specific routing instruction that the India Post sorting system reads automatically.
Breaking down 635109: The first digit — {D1}
— places this post office in Postal Zone {D1} of India's national postal network. This zone covers {Zone_States}, and every PIN code beginning with {D1} belongs to this geographic region.
The second digit — {D2}— together with the first digit, identifies the specific postal circle. The combination {D1}{D2} is the identifier for the TamilnaduPostal Circle, which covers TAMIL NADU. If you see a PIN code starting with {D1}{D2}, it belongs to TAMIL NADU.
The third digit — {D3} — is the sorting district code. When mail arrives at the TAMIL NADU sorting hub, this digit routes it directly to the Krishnagiri area. The three-digit combination {D1}{D2}{D3} identifies the
Krishnagiri sorting district The final three digits — {D4}{D5}{D6} — identify Onnalvadi specifically as the delivery post office. These are what separate this office from every other post office in Krishnagiri. Two offices in the same district share the same first three digits but differ in the last three. Getting the last three digits wrong is the most common addressing mistake — and it's the one that causes actual misdelivery.
So 635109 reads as: Zone {D1} → TamilnaduCircle → Krishnagiri sorting hub → Onnalvadi delivery office.
Where to Use PIN Code 635109
The code 635109 is the valid postal identifier for Onnalvadi's service area. Here is where you will be asked for it and why accuracy matters each time:
E-commerce orders (Amazon, Flipkart, Meesho, and others) When placing an order online, entering 635109 is how the platform checks whether your locality is serviceable, which courier partner handles deliveries there, and what the estimated delivery date is. Some platforms also use it to determine which fulfilment centre your order ships from. A wrong code can show your area as unserviceable or route the order to a different delivery zone.
Bank account opening and address KYC Banks and fintech platforms cross-check the PIN code you provide against postal records. If the code does not match India Post's records for your locality, the KYC check flags a mismatch and can stall the application. 635109 is the correct code for addresses in the Onnalvadi service area.
GST registration The business address on a GST application must use a valid PIN code that matches postal records. For any business operating in the area served by Onnalvadi, 635109 is the code to use on the registration form and on all GST invoices. An incorrect code can trigger a mismatch during return reconciliation.
Aadhaar address update If you are updating your Aadhaar address to a location served by Onnalvadi, use 635109 as the postal code on the update form. The UIDAI system validates this against India Post's official records.
Court filings, legal documents, and affidavits Address fields in legal documentation — affidavits, court filings, notarised documents, property registrations — require a verified PIN code. 635109 is the valid code for Onnalvadi's jurisdiction and is accepted across all state and central government systems.
Services at Onnalvadi
The range of services at any post office depends on its classification. As a B.O, here is what Onnalvadi typically handles and what you may need to access at Hosur S.O (Dharmapuri) or Krishnagiri H.Ofor:
Available at Onnalvadi:Acceptance and delivery of ordinary letters, registered post, Speed Post, and parcels. Money order issuance and payment. Basic savings account transactions. India Post Payments Bank (IPPB) services including Aadhaar-enabled payments and domestic money transfers — increasingly delivered at doorstep level by Grameen Dak Sevak (GDS) staff. Sukanya Samriddhi Yojana and other DBT-linked scheme facilitation. Pension disbursements. Sale of postage stamps (definitive and standard commemorative issues). Recurring deposit transactions.
For these, visit Hosur S.O (Dharmapuri) or Krishnagiri H.O: Public Provident Fund (PPF) account opening and management. National Savings Certificate (NSC) and Kisan Vikas Patra (KVP) investment accounts. Senior Citizen Savings Scheme (SCSS). Postal Life Insurance (PLI) and Rural Postal Life Insurance (RPLI) policies. Aadhaar enrolment and biometric update services. Passport application and collection (if a POPSK is active). International mail and parcel bookings. Post box and post bag rental facilities.
How to Reach Hosur S.O (Dharmapuri) and Krishnagiri H.O
If a service you need is not available at Onnalvadi, here is where to go next:
Hosur S.O (Dharmapuri) is the managing Sub-Office for Onnalvadi. It offers the full range of postal and savings services and is the first point of contact for delivery complaints and account-related queries specific to the Onnalvadi area.
Krishnagiri H.O — the Krishnagiri Head Post Office — is the district-level hub for escalations, complex account matters, Speed Post processing, and any service not available at Sub-Office level.
Nearest Location pincode of Onnalvadi
FAQs — Onnalvadi
What is the PIN code of Onnalvadi?
The PIN code of Onnalvadi is 635109. This is a B.O located in Hosur Taluk, Krishnagiri district, TAMIL NADU, India. It falls under the Krishnagiri Postal Division of the TamilnaduPostal Circle. Use this 6-digit code on all courier forms, bank applications, government documents, and online delivery address fields.
What type of post office is Onnalvadi?
Onnalvadi is classified as a B.O. In the India Post hierarchy, this determines which services are available directly at this office and which require a visit to the managing Sub-Office (Hosur S.O (Dharmapuri)) or Head Post Office (Krishnagiri H.O). Full investment scheme services like PPF and NSC are generally available only at Sub-Office and Head Office level.
Is Onnalvadi a delivery post office?
Onnalvadi has a {Delivery_Status} status. If it is a delivery office, it handles the last-mile drop-off of letters, registered articles, Speed Post, and parcels to addresses within its jurisdiction. If it is a non-delivery office, inbound mail for this area is handled by Hosur S.O (Dharmapuri) for actual doorstep delivery.
Which Sub-Office manages Onnalvadi?
Onnalvadi falls under Hosur S.O (Dharmapuri) as its managing Sub-Office. For services not directly available at Onnalvadi — such as investment account openings, Aadhaar updates, or complaint escalations — Hosur S.O (Dharmapuri) is your next point of contact.
Which Head Post Office is Onnalvadi linked to?
The parent Head Post Office for Onnalvadi is Krishnagiri H.O. This is the district-level administrative office overseeing all postal operations in this part of Krishnagiri. For unresolved delivery complaints or high-value consignment queries, escalate to Krishnagiri H.Oafter first contacting Hosur S.O (Dharmapuri).
Which district and state does Onnalvadi belong to?
Onnalvadi is located in Krishnagiri district, TAMIL NADU, India. It falls under the Hosur Taluk within that district, and is part of the Krishnagiri Postal Division under the TamilnaduPostal Circle.
What taluk does Onnalvadi come under?
Onnalvadi is in Hosur Taluk, Krishnagiri district. The taluk is the administrative block that groups this post office with surrounding villages and localities for both postal and revenue administration purposes.
Which postal circle and region does Onnalvadi belong to?
Onnalvadi is part of the TamilnaduPostal Circle, under the Coimbatore Postal Region, in the Krishnagiri Postal Division. The TamilnaduCircle is headquartered in the state capital and is headed by the Chief Postmaster General (CPMG). If you ever need to contact postal administration above the Head Office level, the Coimbatore Region office is the next escalation point.
Can I open a PPF or NSC account at Onnalvadi?
As a B.O, Onnalvadi may not offer the full suite of investment scheme accounts at the counter level. For PPF, NSC, Kisan Vikas Patra, and Senior Citizen Savings Scheme, visit Hosur S.O (Dharmapuri) or Krishnagiri H.Odirectly, where a full-service savings counter is available. Sukanya Samriddhi Yojana and basic recurring deposits can often be facilitated at the Branch Office level.
Is India Post Payments Bank (IPPB) available at Onnalvadi?
IPPB services are being expanded across all post offices in TAMIL NADU. At Branch Office level, IPPB transactions — including Aadhaar-based withdrawals, deposits, and domestic money transfers — are often handled by the Grameen Dak Sevak (GDS) staff, who carry mobile banking devices for doorstep service in rural areas. Contact Hosur S.O (Dharmapuri) to confirm current IPPB availability at Onnalvadi.
How do I track a Speed Post sent to PIN code 635109?
Use the 13-digit tracking number printed on your booking receipt and enter it at the India Post tracking portal (indiapost.gov.in). Once the article reaches the Krishnagiri Division sorting hub, it will be assigned to Onnalvadi for final delivery. If tracking shows the article has arrived at the division but hasn't been delivered within the expected window, contact Hosur S.O (Dharmapuri) with the tracking number.
How do I complain about a delayed or missing article at Onnalvadi?
Note the tracking number from your booking receipt and check the current status on the India Post portal. If the article is showing delayed at the Krishnagiri Division level, contact Hosur S.O (Dharmapuri) first — they manage delivery operations for this area. If unresolved, escalate to Krishnagiri H.O, which handles consumer grievances for the district. You can also file a complaint online through the India Post consumer grievance portal using your tracking reference.
Can I receive international parcels at Onnalvadi?
International parcels addressed to 635109 are processed at the nearest Foreign Post Office (FPO) and then routed through the Krishnagiri Division to Onnalvadi for local delivery. For outbound international mail — booking registered letters or parcels to addresses outside India — visit Hosur S.O (Dharmapuri) or Krishnagiri H.O, which handle international mail acceptance and documentation.
What are the working hours of Onnalvadi?
Sub-Offices and Head Post Offices in TAMIL NADU generally operate Monday to Friday, 9:00 AM to 5:00 PM, and 9:00 AM to 1:00 PM on Saturdays. Branch Offices may have shorter public hours — typically 10:00 AM to 4:00 PM on weekdays — depending on the GDS staff schedule and local conditions. For confirmed current timings, contact Hosur S.O (Dharmapuri).
Is Aadhaar enrolment or update available at Onnalvadi?
Aadhaar enrolment and update services — including address changes, mobile number updates, and biometric corrections — are available at designated post offices. As a B.O, Onnalvadi may not offer this directly. For Aadhaar services, visit Krishnagiri H.Oor a designated Sub-Office in Krishnagiri. Check the UIDAI locator tool or call Hosur S.O (Dharmapuri) to find the nearest active enrolment centre.
Can I buy postage stamps at Onnalvadi?
Yes. Definitive postage stamps for domestic and international mail are available at all post offices, including Branch Offices. Special commemorative stamp releases and philatelic products may be available only at the Head Office or major Sub-Offices — check with Hosur S.O (Dharmapuri) for availability of specific issues.
What is the difference between Onnalvadi and Hosur S.O (Dharmapuri)?
Onnalvadi is a B.O — it handles local mail delivery and basic financial services for the immediate Hosur Taluk area it serves. Hosur S.O (Dharmapuri) is its managing Sub-Office — a larger, full-service postal outlet that offers the complete range of savings, investment, Speed Post, and administrative services, and that supervises Onnalvadi as part of its Branch Office cluster. If a service isn't available at Onnalvadi, the next step is always Hosur S.O (Dharmapuri).