POSTAL File – What is .postal file and how to open it?


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POSTAL File Extension

TomTom Postal Code File – file format by TomTom International

POSTAL (TomTom Postal Code File) stores postal code information used by TomTom navigation devices to identify geographic locations and match them to postal codes. It helps ensure accurate and reliable navigation by providing precise postal code data.

POSTAL File Format

A POSTAL file stores postal code data such as the country, postcode, city, and state or region. This data is used by navigation devices, such as those produced by TomTom, to determine the location of a user and provide directions. POSTAL files are typically used in conjunction with map data to provide a more detailed representation of an area.

Structure of POSTAL Files

POSTAL files are typically saved in a binary format, which makes them more compact and efficient than text-based formats. The file format consists of a header, followed by a series of records. The header contains information about the file, such as the version number and the number of records. Each record contains the postal code, city, state or region, and country. The POSTAL file format is proprietary to TomTom, and the specifications are not publicly available.

Understanding POSTAL Files

POSTAL files, denoted by the file extension “.POSTAL,” are specialized data files used by TomTom International, a leading provider of navigation software and devices. These files contain comprehensive postal code information, which is essential for accurate navigation and address lookup within the TomTom system. POSTAL files serve as a database of postal codes, linking them to specific geographic locations, street names, and relevant administrative boundaries. This data enables TomTom devices and software to recognize and interpret postal codes, ensuring precise navigation and address identification.

Opening POSTAL Files

Opening POSTAL files requires dedicated software or file converters. The primary application that utilizes POSTAL files is TomTom’s navigation software, which automatically reads and interprets the data contained within these files. However, there are also third-party software programs and online services that can handle POSTAL files. These tools allow users to view, edit, and convert POSTAL files into other formats, such as CSV or XLS, for further analysis or compatibility with other software systems.

Format and Structure

A POSTAL file is a structured data file that contains postal code information for various countries and regions. It is designed to be used by TomTom devices and software to facilitate accurate address and location lookup. The file typically includes fields such as the postal code, city, state or province, and country. The data is organized in a hierarchical structure, with each record representing a specific postal code and its associated information.

Usage and Compatibility

POSTAL files are primarily used by TomTom navigation devices and mapping software. By storing postal code information, these devices can quickly and accurately locate addresses and provide turn-by-turn directions. The files are typically included with TomTom software updates and can be installed to enhance the navigation capabilities of the devices. Additionally, POSTAL files are compatible with other software and services that require postal code information, such as geographic information systems (GIS) and mailing list management tools.

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