MutualBank, Gas City Branch Basic Info Reviews Routing Numbers Map & Direction Name: MutualBank, Gas City Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1010 East Main Street Gas City, Indiana 46933 Grant County View other branches Phone: 765-677-4770 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer271274128YY271274186YN274970623YN274970636YN274970681YY From: To: