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PIN code 797104 is the Postal Index Number assigned to the Chetheba B.O post office in Phek district, Nagaland. It is administered under the North Eastern 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 (797) pinpoint the postal district or sorting hub; and the last three digits (104) identify the specific delivery post office.
When addressing letters, parcels, or courier shipments to Chetheba B.O in Phek, Nagaland, always include PIN – 797104 in the postal address to ensure accurate sorting and on-time delivery by India Post.
| PIN Code | 797104 |
| Zone | Zone 7 · Eastern India |
| Sort District | 797 |
| Delivery Code | 104 |
| Postal Circle | North Eastern Circle |
| State / UT | Nagaland |
Browse PIN codes for other post offices in Phek, Nagaland