COMERICA BANK CALIFORNIA
Routing Number: 121137522
P.O. BOX 75000
DETROIT, MI 48275-7570
(800) 581-9857
30840 Northwestern Highway
Farmington Hills, MI 48334
29466 Grand River Avenue
Farmington Hills, MI 48336
31500 Twelve Mile Road
Farmington Hills, MI 48334
3800 Owen Road
Fenton, MI 48430
1000 East Nine Mile Road
Ferndale, MI 48220
32682 Franklin Road
Franklin, MI 48025
1102 Robbins Road
Grand Haven, MI 49417
4065 Plainfield Northeast
Grand Rapids, MI 49525
3215 28th Street, S.E.
Grand Rapids, MI 49508
857 Four Mile Road
Grand Rapids, MI 49544
6511 28th Street Southeast
Grand Rapids, MI 49546
2500 Alpine Northwest
Grand Rapids, MI 49504
1835 Breton Southeast
Grand Rapids, MI 49506
99 Monroe Avenue Nw
Grand Rapids, MI 49503
4480 Wilson Avenue, Suite 100
Grandville, MI 49418
115 East Michigan Avenue
Grass Lake, MI 49240
415 Fisher Road
Grosse Pointe, MI 48230
21303 Mack Avenue
Grosse Pointe Woods, MI 48236
20200 Mack Avenue
Grosse Pointe Woods, MI 48236
35320 Jefferson Avenue
Harrison Township, MI 48045
50 Douglas
Holland, MI 49424
1050 South Latson
Howell, MI 48843
2707 Airport Road
Jackson, MI 49202
245 West Michigan Avenue
Jackson, MI 49201
Can a routing number tell me which branch the account is held at?
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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

The ABA number for American Savings Bank is 242272625. For customers making wire transfers, our routing information is as follows: Great Lakes Bankers Bank ABA 044002051 Credit Account #1002588 Please call for further details.
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