Browse PIN Codes by State
A PIN (Postal Index Number) is a 6-digit code used by India Post to identify every post office and delivery area in India. Introduced on 15 August 1972, the PIN code system now covers over 1,55,000 post offices across 36 states and union territories.
Each digit in the PIN code carries specific geographic information, allowing mail to be sorted and routed from any origin post office to the correct destination delivery area anywhere in India.
PIN Code Structure
Mail and Speed Post
Every postal item, Speed Post, registered letter, and parcel sent via India Post must include the correct PIN code of the destination.
Online Shopping
E-commerce platforms use PIN codes to check delivery availability, estimate delivery dates, and route shipments correctly.
Banking and KYC
Bank accounts, insurance policies, mutual funds, and government-issued IDs (Aadhaar, PAN) require accurate PIN codes for address records.
Government Forms
Passport, voter ID, driving licence, and all central and state government applications require the PIN code of your permanent address.
India is divided into 9 postal zones. The first digit of every PIN code identifies the zone, making it possible to narrow down a location to a broad geographic region instantly.
| First Digit | Zone | States / Regions Covered |
|---|---|---|
| 1 | Northern Zone | Delhi, Haryana, Punjab, Himachal Pradesh, J&K, Ladakh, Chandigarh |
| 2 | Northern Zone | Uttar Pradesh, Uttarakhand |
| 3 | Western Zone | Rajasthan, Gujarat, Daman & Diu, Dadra & Nagar Haveli |
| 4 | Western Zone | Maharashtra, Goa, Madhya Pradesh, Chhattisgarh |
| 5 | Southern Zone | Andhra Pradesh, Telangana, Karnataka |
| 6 | Southern Zone | Tamil Nadu, Kerala, Puducherry, Lakshadweep |
| 7 | Eastern Zone | West Bengal, Odisha, Assam, Meghalaya, Manipur, Mizoram, Tripura, Nagaland, Arunachal Pradesh, Sikkim, Andaman & Nicobar |
| 8 | Eastern Zone | Bihar, Jharkhand |
| 9 | Army Postal | Army Post Offices (APO / FPO) across India |
PIN stands for Postal Index Number. It is a 6-digit code introduced by India Post on 15 August 1972 to identify every post office and delivery area in India. The code helps route mail accurately from origin to destination across the country's 1,55,000+ post offices.
An Indian PIN code has exactly 6 digits. The first digit represents the postal zone (1 to 9), the second digit indicates the sub-zone or postal circle, the third digit identifies the sorting district, and the last three digits specify the individual post office.
Digit 1: Postal zone (India has 9 zones). Digit 2: Sub-zone or postal circle (state group). Digit 3: Sorting district within the circle. Digits 4, 5, 6: Specific post office or delivery area. For example, PIN 400001 means Zone 4 (Western India), Maharashtra circle, Mumbai sorting district, General Post Office.
Use the step-by-step finder above: select your State, then your District, then your Post Office. The PIN code for that post office will appear. Alternatively, enter the PIN code directly in the search box to see which post offices it covers.
Yes. Multiple post offices or delivery areas within the same locality can share a single PIN code. For example, a large city area may have one PIN code covering several sub-post offices. The main post office (HO) and its branch offices typically share the same code.
PIN codes are required on postal mail and parcels (letters, Speed Post, registered post), e-commerce delivery addresses, bank account and KYC documents, insurance and mutual fund forms, government applications (passport, Aadhaar, PAN), and courier and logistics bookings.
Both are postal codes but from different countries. ZIP code is the US postal system's code (5 or 9 digits). PIN code is India's postal system's 6-digit code. They serve the same purpose of routing mail to the correct delivery area, but are used in their respective countries.
India Post classifies offices into three tiers. A Head Post Office (HO) is the main office at the district or city level — it supervises all sub and branch offices in the area. A Sub Post Office (SO) serves a town or group of areas and reports to the HO. A Branch Post Office (BO) is the smallest unit, typically in a village or rural locality. Each type has its own delivery jurisdiction and PIN code.
Speed Post is India Post's express delivery service with guaranteed delivery timelines: 1–2 working days within the same city, 2–4 days to other states, and 4–8 days to remote areas. Registered post is a slower tracked service without strict delivery deadlines. Speed Post provides automated tracking through the India Post website and mobile app, while registered post tracking may be limited. Speed Post costs slightly more than registered post but offers faster, more reliable delivery.
India Post divides the country into 23 Postal Circles, each typically corresponding to a state or group of states. The second digit of the PIN code identifies the postal circle or sub-zone. For example, PIN codes starting with 40 belong to the Maharashtra Postal Circle (Zone 4, sub-zone 0). Knowing the postal circle helps India Post route mail to the correct state-level sorting hub before onward delivery to the district and local post office.
A PIN code is not a tracking number. To track a Speed Post parcel, use the consignment number printed on your booking receipt at indiapost.gov.in or the India Post mobile app. However, the destination PIN code helps India Post estimate the delivery timeline based on the zone and distance from the origin post office. For private couriers, use the airway bill (AWB) number on the respective courier's tracking portal.
Army Post Offices (APO) and Field Post Offices (FPO) use PIN codes starting with the digit 9. These are military postal codes used for mail to armed forces personnel at forward locations, cantonments, and field areas. They are operated by the Indian Army Postal Corps and are not accessible to the general public. Examples include PIN 900001 for Army HQ Post Office, New Delhi.
India Post periodically updates its post office directory when new offices are established, offices are merged, or jurisdiction boundaries change. New townships, colonies, and peri-urban areas may receive new PIN codes as they are formally added to the postal system. Our database is updated from the official India Post directory to reflect current codes. If you notice a discrepancy, use the Report an Issue button on any post office detail page.
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Last Updated: 05 April 2026. Data sourced from India Post's official post office directory.