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PIN code 786171 is the Postal Index Number assigned to the 3 No Borbil B.O post office in TINSUKIA district, Assam. It is administered under the Assam Circle Postal Circle. The code falls under Zone 7 of India's postal network, covering the Eastern India region.
India's PIN code system — standing for Postal Index Number — was introduced on 15 August 1972 to streamline postal sorting and delivery across the country. Each 6-digit code is structured systematically: the first digit (7) identifies the broad postal zone; the first three digits (786) pinpoint the postal district or sorting hub; and the last three digits (171) identify the specific delivery post office.
When addressing letters, parcels, or courier shipments to 3 No Borbil B.O in TINSUKIA, Assam, always include PIN – 786171 in the postal address to ensure accurate sorting and on-time delivery by India Post.
| PIN Code | 786171 |
| Zone | Zone 7 · Eastern India |
| Sort District | 786 |
| Delivery Code | 171 |
| Postal Circle | Assam Circle |
| State / UT | Assam |
Browse PIN codes for other post offices in TINSUKIA, Assam