The best way to complete this is to use Advanced Search. Click the Advanced Search link under the main search box on the Contacts page. Run a search for the custom field information you want to find. Once you've loaded the list you can check off the contacts and add them to a new list.
Hannah M. Community and Social Media Support
If you find my post helpful, and it answers your question, please mark it as an Accepted Solution
You can post a new message in the Community or find us on Twitter Mon-Fri 8am-8pm ET, Sat 10am-8pm ET, & Sun 10am-6pm ET. We've got real people waiting to help you out. Click below to start a conversation!