Supplier Contacts
Union Pacific has a 100% electronic invoicing environment and does not accept paper purchase order (PO) invoices. (Read more about submitting invoices electronically.)
Accounting
Invoice and Payment Information: Mailing Addresses
Invoice Status Information: Trace online, or contact us at 1-402-544-6040 or 1-800-877-5594
(Automated Voice Response – invoice number needed to make this inquiry)Questions Regarding Received Payments: 1-402-544-APAY (544-2729)
apay@up.comPlease provide the voucher number, date and amount of the check.
Requests for Duplicate Checks: 1-402-544-1016
apay@up.comTax Information (1099-S and W-9 forms): 1-402-544-2729
Please note that 1099-INT forms are not available from Union Pacific Railroad; they are available only from Union Pacific Corporation.
EDI (Electronic Data Interchange)
Supplier EDI Contact List
Material/Fuel EDI Invoice Questions 1-402-544-1015
Send an e-mail
Contract Services – 1-402-544-7243
Web Invoice Questions: Send an e-mail
Supply Group
Supply Group by Function or Commodity/Service
For price or quality errors, please call the Purchasing representative who signed your purchase order.
Service Invoice Status:
If your invoice was addressed and submitted to the project manager as specified, the project manager is generally in the best position to give you a timely answer. If the project manager is unavailable, you can also use the interactive Invoice Tracing function located on this site.
Bidder's List Registration (online form located on the UP Web site) for services only
Supplier Diversity
Our policy is to offer small businesses and companies owned by minorities and women the maximum opportunity to compete with other suppliers and contractors in the marketplace. If you want to learn more about our program, please contact the appropriate Suppliers representative.