Zions First National Bank has assigned its $1 million advertising account to Williams & Rockwood, 307 W. 200 South, according to Ronald S. Hanson, bank vice chairman.

The bank reviewed 12 advertising and marketing agencies.Hanson said the agency will begin work immediately on a new campaign for the bank and at the same time re-evaluate and redefine the bank's image and position in the marketplace. He said the bank had an exceptional year in 1990 and leaders want to keep the momentum.