Area: Fort City / District: Mumbai State: Maharashtra PIN Code: 400001 Post Office: Mumbai General Post Office (GPO) Office Type: Head Office PIN code 400001 is officially used for the Fort area of Mumbai, Maharashtra. This postal code comes under Mumbai GPO, which functions as a Head Office in the Indian postal network. It is one of the most important PIN codes in Mumbai and is widely used for government offices, banks, businesses, and official correspondence. About Fort Area, Mumbai Fort is one of the oldest and most significant localities in Mumbai. It is known as the historic and administrative heart of the city. Many important institutions such as government offices, courts, banks, corporate headquarters, and heritage buildings are located in this area. Due to its central location and high commercial activity, the Fort area generates a large volume of daily postal and courier traffic. Mumbai GPO plays a key role in managing and distributing mail efficiently for this region. Unders...