Amarillo City Hall is located at 509 Seventh Avenue Southeast, Amarillo, TX 79101.
Phone: 806‑378‑3000.
Amarillo is located partly in Potter County and partly in Randall County.
The town that would become Amarillo was settled under the name Oneida. It was renamed for the yellow wildflowers that covered the creek and lake from spring through summer. The town was established in 1888 by Henry Sanborn. By the late 1890s it had become a busy cattle trading and shipping point.