# HID 36bit Inner Range

Everything you need to understand HID 36bit Inner Range

## Card format Overview

A proprietary 36-bit card format used in access control systems, featuring a unique structure composed of 12-bit site code and 16-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

## HID 36bit Inner Range format properties

### Site Code

12 bits. The facility code range is 0 to 4,095.

### Card Number

16 bits. A unique serial number (0-65,535) for each card within that facility code.

### Generate examples

Put in the values for this card format, we'll generate the results in a few different formats.

Site Code

Card Number

Get examples

#### Here's your example

| Format  | Value                         |
| ------- | ----------------------------- |
| Hex     | 3200320<br>Copy               |
| Decimal | 52429600<br>Copy              |
| Binary  | 000000000011001000000000001100100000<br>Copy |

## The API that turns phones into key fobs.