The Postmaster hasn’t rang for two weeks
A few weeks ago a friend sent me a wedding invitation. It was returned to her with "Undeliverable" stamped across the top. I cannot imagine why. The only thing slightly unusual: the address was written in cursive and Boulevard and Apartment were not abbreviated. Such is the custom for formal letters. The numbers and cursive writing were all very clear and readable.
So I sent a letter to the Postmaster of Bluebonnet Station (78758) two weeks ago. The letter included a scan of the addressed envelope so he or she could properly evaluate the situation without relying on my description. It's been two weeks. No word yet.