Information: United States Courthouse 1701 W. Business Hwy 83, 9th Floor-Suite 911 McAllen, Texas 78501 Phone: (956) 928-8270 | Fax: (956) 928-8272 Case Manager Career Law Clerk Mayra R Guillen Mayra_Guillen@txs.uscourts.gov Phone: (956) 928-7087 Ryan Hefley Ryan_Hefley@txs.uscourts.gov Phone: (956) 618-8494 District Judge Alvarez's Interactive Court Calendar