# HID 48bit Corporate 1000 - (H2004064)

Everything you need to understand HID 48bit Corporate 1000 - (H2004064)

## Card format Overview

A proprietary 48-bit card format used in access control systems,
featuring a unique structure composed of
23-bit card number and 22-bit company id code, and 3 parity bits (even and odd),
allowing for easy management and avoiding card number duplication for secure, contactless access.

## HID 48bit Corporate 1000 - (H2004064) format properties

**Card Number**  
23 bits. A unique serial number (0-8,388,607) for each card within that facility code.

**Company ID Code**  
22 bits (Bits 3-24), range 0-4,194,303.

**Even parity**  
Even Parity for Even parity over bits 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34.

**Odd parity**  
Odd Parity for Odd parity over bits 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33.

**Odd parity**  
Odd Parity for Odd parity over bits 1-46.

### Generate examples

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

**Card Number**  
**Company ID Code**  
Get examples

#### Here's your example

| Format | Value |
| --- | --- |
| Hex | 8000640000C8<br>Copy |
| Decimal | 140739166077128<br>Copy |
| Binary | 100000000000000001100100000000000000000011001000<br>Copy |

## The API that turns phones into key fobs.