FIRST BANK
Routing Number: 121137506
600 JAMES S MCDONNELL BLVD
HAZELWOOD, MO 63042-0000
(800) 760-2265
11 E Lockwood
Webster Groves, MO 63119
1526 West Highway 70 South Service Road
Wentzville, MO 63385
2462 Taylor Road
Wildwood, MO 63040
9801 Westheimer Road 10th Floor, Suite 1060
Houston, TX 77042
Can I find a bank's routing number at a physical branch?
What's the history behind the creation of bank routing numbers?
What's the difference between a routing number and a sort code (for non-US banks)?
What's the routing number used for in automatic bill payments?
What is a bank routing number?
Frequently asked questions (FAQs) related to bank routing numbers and bank routing information:
frequently asked questions (FAQs) about Bank ABA routing numbers and their purposes:
Frequently asked questions (FAQs) about international bank routing codes


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