Ark Valley Credit Union partners with 1st Mortgages to provide members with the highest level of mortgage services. When you decide to buy a home or refinance a mortgage, it’s a big step. 1st Mortgages’ principle is simple – the more you understand your financing options and process, the easier it is to make mortgage decisions. In Arkansas City call 620-442-8210. In Winfield call 620-229-8338. Or, call toll free at 800-856-1934.