NCUA-insured credit union

Summit

Credit Union headquartered in Madison, Wisconsin.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Total assets
$8.30 billion
Branches
57
NCUA-insured since
1987
Established
1935

Headquarters and contact

AddressPo Box 8046
Madison, WI 53708
CountyDane
Websitenot published in NCUA data
Phone(608) 243-5000

NCUA record

NCUA Charter67190
Federal Reserve RSSD ID734499
StatusActive
Charter type2 (STATE)
Financials as ofMarch 31, 2026

Routing number

NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
See how your odds compare before you apply at Summit.

Offices

Cottage Grove - Headquarters main office
Cottage Grove, WI
1709 Landmark Dr, 53527
(608) 243-5000
LOBBY HOURS: Mon-Thur 8:30am - 5pm / Fri 8:30am - 6pm / Sat 9am - 12pm/ DRIVE-UP HOURS: Mon-Fri 7:30am - 6pm / Sat 8:30am - 1pm
Baraboo
Baraboo, WI
871 Commerce Ave, 53913
(608) 243-5000
M-F 7:30-5:30Sat 8:30-1
Beaver Dam
Beaver Dam, WI
104 Frances Ln, 53916
(608) 243-5000
M-F 7:30-5:30Sat 8:30-1
Brookfield
Brookfield, WI
920 S Moorland Rd, 53005
(608) 243-5000
LOBBY HOURS: Mon-Thur 9am - 5pm / Fri 9am - 6pm / Sat 9am - 12pm/ DRIVE-UP HOURS: Mon-Fri 7:30am - 6pm / Sat 8:30am - 1pm
Cedarburg
Cedarburg, WI
W61N301 Washington Ave, 53012
(608) 243-5000
M-F 8:30-5:00
Fitchburg
Fitchburg, WI
2939 S Fish Hatchery Rd, 53711
(608) 243-5000
M-F 7:30-5:30Sat 8:30-1
Rimrock
Fitchburg, WI
2424 Rimrock Rd, 53713
(608) 243-5000
M-F 7:30-5:30Sat 8:30-1
Fond Du Lac
Fond du Lac, WI
116 N Main St, 54935
(800) 236-5560
Wednesday 9:30am - 4pm
Franklin
Franklin, WI
7750 S Lovers Lane Rd, 53132
(608) 243-5000
Lobby Hours: 9:00 am ? 5:00 pm Mon-Thu 9:00 am ? 6:00 pm Fri 9:00 am ? 12:00 pm Sat Drive-up Hours: 8:00 am ? 5:30 pm Mon-Thu 8:00 am ? 6:00 pm Fri 8:30 am ? 1:00 pm Sat
Oneida
Green Bay, WI
2350 S Oneida St, 54304
(608) 243-5000
LOBBY HOURS: Mon-Thur 9am - 5pm / Fri 9am ? 5:30pm / Sat 9am - 12pm/ DRIVE-UP HOURS: Mon-Thur 7:30am ? 7pm / Fri 7:30am - 6pm / Sat 8:30am - 1pm
Howard
Green Bay, WI
2673 Lineville Rd, 54313
(608) 243-5000
LOBBY HOURS: Mon-Thur 9am - 5pm / Fri 9am ? 5:30pm / Sat 9am - 12pm/ DRIVE-UP HOURS: Mon-Thur 7:30am ? 7pm / Fri 7:30am - 6pm / Sat 8:30am - 1pm
Greendale
Greendale, WI
5255 S 76Th St Ste 140, 53129
(608) 243-5000
LOBBY HOURS: Mon-Thur 9am - 5pm / Fri 9am - 6pm / Sat 9am - 12pm/ DRIVE-UP HOURS: Mon-Thur 7:30am - 7pm / Fri 7:30am - 6pm / Sat 8am - 1pm
57 offices in total. Browse them by city through the state pages.

Where Summit has offices

Other credit unions headquartered in Madison

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