NCUA-insured credit union

West Michigan Postal Service — Muskegon, MI

Credit Union headquartered in Muskegon, Michigan.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Total assets
$7.30 million
Branches
1
NCUA-insured since
1971
Established
1952

Headquarters and contact

AddressP. O. Box 341
Muskegon, MI 49443
CountyMuskegon
Websitenot published in NCUA data
Phone(231) 722-3921

NCUA record

NCUA Charter7910
Federal Reserve RSSD ID450089
StatusActive
Charter type1 (NCUA)
Financials as ofMarch 31, 2026

How to find your West Michigan Postal Service 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.
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Offices

Main main office
Muskegon, MI
800 1St St Room 212, 49440
(231) 722-3921
8:30 - 5:00 Monday, Tuesday, Wednesday, Thursday and Friday

Where West Michigan Postal Service has offices

Cities with the most West Michigan Postal Service offices

Other credit unions headquartered in Muskegon

Service 1$197.37 million
Best Financial$156.06 million
Route 31$101.54 million
Muskegon$80.93 million
Lakeshore$45.86 million
Port City$42.80 million
Michigan Coastal$26.08 million
Muskegon St Joseph$13.02 million

Largest credit unions headquartered elsewhere in Michigan

Lake Michigan Grand Rapids$16.86 billion
Michigan State University East Lansing$8.51 billion
Dfcu Financial Dearborn$8.03 billion
Genisys Auburn Hills$6.44 billion
United St Joseph$4.40 billion
Michigan Schools and Government Clinton Townshi$4.37 billion
Advia Kalamazoo$3.97 billion
Lake Trust Brighton$2.87 billion
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