Navigate with the dropdowns or search a different PIN code directly.
e.g. 110001 for New Delhi GPO
PIN code 173023 is the Postal Index Number assigned to the Andheri BO post office in SIRMAUR district, Himachal Pradesh. It is administered under the Gujarat 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 (173) pinpoint the postal district or sorting hub; and the last three digits (023) identify the specific delivery post office.
When addressing letters, parcels, or courier shipments to Andheri BO in SIRMAUR, Himachal Pradesh, always include PIN – 173023 in the postal address to ensure accurate sorting and on-time delivery by India Post.
| PIN Code | 173023 |
| Zone | Zone 1 · Northern India |
| Sort District | 173 |
| Delivery Code | 023 |
| Postal Circle | Gujarat Circle |
| State / UT | Himachal Pradesh |
Browse PIN codes for other post offices in SIRMAUR, Himachal Pradesh