First Savings Bank, Lake Havasu City Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Savings Bank, Lake Havasu City Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1031 Acoma Blvd South Lake Havasu City, Arizona 86406 Mohave County View other branches Phone: 928-855-0777 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091406833YY091471635YN122402052YY122402078YY122402081YY122402175YY From: To: