Make an appointment on the website of Thai Consulate or check กงสุลสัญจร they might have plan to go to ur state.
My advice to you is to call the embassy and arrange an appointment They can help The embassy will advice you on the proper documents needed to complete this process of getting your passport up to date. Note: before your trip to Los Angeles that you communicate with the embassy so you don't waste your time. Call them 1st and get guidance. Cheers and good luck
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