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PIN code 123401 is the Postal Index Number assigned to the B B Ashram BO post office in REWARI district, Haryana. It is administered under the Haryana Circle Postal Circle. The code falls under Zone 1 of India's postal network, covering the Northern 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 (1) identifies the broad postal zone; the first three digits (123) pinpoint the postal district or sorting hub; and the last three digits (401) identify the specific delivery post office.
When addressing letters, parcels, or courier shipments to B B Ashram BO in REWARI, Haryana, always include PIN – 123401 in the postal address to ensure accurate sorting and on-time delivery by India Post.
| PIN Code | 123401 |
| Zone | Zone 1 · Northern India |
| Sort District | 123 |
| Delivery Code | 401 |
| Postal Circle | Haryana Circle |
| State / UT | Haryana |
Browse PIN codes for other post offices in REWARI, Haryana