# List

**URL:** <https://community.hubspot.com/t/list/77920>\
**Category:** CRM\
**Tags:** enterprise\
**Created:** [March 24, 2023, 9:38am UTC](https://community.hubspot.com/t/list/77920 "2023-03-24T09:38:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JGray30](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/jgray30/32/7787_2.png) [@JGray30](https://community.hubspot.com/u/JGray30)\
**Post date:** [March 24, 2023, 9:38am UTC](https://community.hubspot.com/t/list/77920/1 "2023-03-24T09:38:24Z")

</div>

Hi, I am trying to create a list that pulls through those contacts that do not contain any data. For example a list that will pull through all Contacts that do not have a postcode? In other words that field is empty

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<div class="post-metadata">

**Author:** ![karstenkoehler](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/karstenkoehler/32/68554_2.png) [@karstenkoehler](https://community.hubspot.com/u/karstenkoehler)\
**Post date:** [March 24, 2023, 9:41am UTC](https://community.hubspot.com/t/list/77920/2 "2023-03-24T09:41:29Z")

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Hi @JGray30,

There is a filter option “is unknown”, this would give you the desired results:

 ![karstenkoehler_0-1679650799469.png](https://d2qpr2jzcazej7.cloudfront.net/original/3X/8/3/832c51df0af6212c92b6cce35614016e81371a25.png)

Best regards!