How many numbers are in a PIN code?
Jackson Reed
Updated on February 04, 2026
6 digits
Also known as Zip code or area postal code, Pin code is the post office numbering code system used by the postal service of India, India Post. The PIN was first introduced in India on August 15, 1972. It is a 6 digits long code with each of the digits denoting a particular meaning.
How many 6 digit PIN codes are there?
By the way, the most common four-digit PINs according to the study are: 1234, 0000, 2580, 1111 and 5555 (scroll down for a longer list) – 2580 is there because it is a vertical column on a numeric keypad….Why six digit PINs are no better for security than four digits.
| Four digit | Six digit |
|---|---|
| 1234 | 123456 |
| 0000 | 654321 |
| 2580 | 111111 |
| 1111 | 000000 |
How many 6 digit PIN codes are there is you can repeat numbers?
Originally Answered: How many 6-digit codes using 0-9 can be created? Since you have 10 numbers that can go into one of the six digit slots, you take number of possible options to the power of the number of slots. So this would be 10^6 or 1 million combinations if you can use repeated numbers.
What are the odds of guessing a 6 digit code?
So the combination can be 000000 or 999999, or anything in between. Since the odds of getting each digit is 1/10, you multiply 1/10 by itself 6 times. There’s literally a one in a million chance of guessing the PIN correctly.
How many possible 4 to 6 digit PIN codes are there?
10,000 different combinations
A four-digit PIN can be used to create 10,000 different combinations, while a six-digit PIN can be used to create one million. “However, users prefer certain combinations; some PINs are used more frequently, for example, 123456 and 654321,” explains Philipp Markert.
How do I find my PIN code?
Structure of Pin Code (Postal Index Number)
- The first digit indicates: northern region = 1.
- The first 2 digits indicate: postal circle Delhi = 11.
- The third digit indicates: sorting district = 0.
- The last 3 digits indicate: the specific post office (Connaught Place) = 001.
Can a PIN number be 6 digits?
Six-digit PINs not more secure than four-digit ones A four-digit PIN can be used to create 10,000 different combinations, while a six-digit PIN can be used to create one million. “However, users prefer certain combinations; some PINs are used more frequently, for example, 123456 and 654321,” explains Philipp Markert.
