How do i contact infininb? INB offers personal and business banking for Springfield, Central Illinois and Missouri. Get started today: 1-877-771-2316. What does inb stand for? For the Spanish National Bioinformatics Institute, for which the Spanish acronym is INB, see Spanish National Bioinformatics Institute. INB, N.A., formerly Illinois National Bank, is a locally owned, privately held national bank based in Springfield, Illinois.Does inb offer chat as a service? We now offer chat as a service option to customers using digital banking. INB is offering a way to safely destroy your sensitive paperwork including bank and tax documents. For the fifth straight year, INB sponsored the State Journal-Register's Capital Region High School Sports Awards program.How do i contact nabp customer service? Phone: 847/391-4406. Fax: 847/375-1114. Email: help@ nabp.pharmacy. (Please allow up to two business days for all email responses.) Chat: Click on the chat icon at the bottom right of your screen.