Public Utility Commission of Texas

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Relay Texas and STAP Contacts

Relay Texas Administrator

Phone: 512-936-7425


STAP - Voucher Recipients

  • Your initial application for a voucher
  • Your voucher
  • Obtaining a replacement voucher
  • Value of the voucher
  • All voucher requests or to check on the status of the printing or reprinting of a voucher.

Mail to:

PO Box 12607
Austin, TX 78711

Phone: 512-407-3250


Please Note: Do not send vouchers requesting Payment, annual vendor registrations, or customer applications requesting a voucher to the Public Utility Commission of Texas.

STAP - Vendors

  • Paid or Denied voucher-related issues
  • Vendor annual registration or renewal status
  • Any other item related to being or becoming a STAP vendor

All annual vendor registrations and exchanged vouchers must be mailed to Solix Inc. at the following address:

Solix Inc. - STAP Processing
30 Lanidex Plaza West
P O Box 685
Parsippany, NJ 07054

Phone: 877-236-6653