Srikalahasti H.O — Pincode 517644
Tirupati, Andhra Pradesh
📍 Location Map — Pincode 517644
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 517644
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Srikalahasti North S.O | PO | — | Chittoor |
| Srikalahasti H.O | HO | ✓ Yes | Tirupati |
| Kothapet (Srikalahasti) S.O | PO | — | Chittoor |
| G.S.T.Centre B.O | BO | — | Chittoor |
🔢 How Pincode 517644 is Constructed
Every Indian PIN (Postal Index Number) code is a 6-digit number. Each digit group encodes geographic and administrative information about the delivery area.
The first digit identifies one of India's 9 postal zones. Zone 5 covers Andhra Pradesh, Telangana, Karnataka, MP, Chhattisgarh.
The first two digits together (51) identify the sub-zone. All pincodes in Andhra Pradesh begin with 51.
The third digit narrows to a sorting district. The prefix 517 routes mail to the sorting office serving Tirupati in Andhra Pradesh.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 64 identifies the specific delivery area within Tirupati.
The final digit identifies the specific post office. Office 4 designates Srikalahasti H.O in Tirupati.
❓ Frequently Asked Questions
What is the pincode for Srikalahasti H.O?
The pincode for Srikalahasti H.O is 517644. It is a HO located in Tirupati, Andhra Pradesh.
How many post offices are in pincode 517644?
There are 4 post offices operating under pincode 517644 in Tirupati, Andhra Pradesh.
Is delivery available at pincode 517644?
Yes, delivery is available at pincode 517644 through Srikalahasti H.O and its associated offices.
Which district does pincode 517644 belong to?
Pincode 517644 is located in Tirupati district in the state of Andhra Pradesh. It falls under the Andhra Pradesh postal circle.
What postal zone is pincode 517644 in?
Pincode 517644 falls in Zone 5 — Southern & Central India. The sub-zone prefix 51 corresponds to Andhra Pradesh.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 517644 is served by a HO.
The primary administrative hub for a postal division, overseeing all sub-offices and branch offices in its area.
The chief post office of a major city or state, handling the largest mail volume and often housing the Postmaster General.
Operates under an HPO, providing all standard postal services in urban and semi-urban areas.
The smallest tier, typically in rural areas. India has over 130,000 branch offices — the largest postal network in the world.