Before contacting us, please consult our FAQ (Frequently Asked Questions) page. If we receive a question or comment frequently at UP, you'll see our response to it there. If you need to contact a specific department, or you need customer service assistance, please check the Union Pacific Contact List, a listing of all contact names, phone numbers and e-mail addresses available on this site.

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If you have any employment questions or issues, someone from our Human Resources Service Center can help you - 877-275-8747, option 1 (9 AM to 5 PM Central Time Monday through Friday).


This mailbox is monitored Monday through Friday. We attempt to reply as quickly as possible, but some requests can take some time to research. Some requests we simply will be unable to handle--our apologies if your message falls into this category.