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Credit Union Routing Number

Merco Credit Union Routing Number

The routing number for Merco Credit Union is 321173386. It is a credit union in Merced, California, NCUA charter 64766.

Primary ABA / RTN
321173386

Data as of · size and membership from the NCUA 5300 call report. How we update

About Merco Credit Union

Merco Credit Union is based in Merced, California, and has been chartered since 1954. It reported $207.3M in assets for Q2 2026, the 119th largest of 239 credit unions headquartered in California and 1256th of 4,252 nationally. Assets were $206.4M a year earlier (Q2 2025), so the credit union is larger now. It counted 16,315 members on that report. The NCUA lists 4 branch locations for the credit union.

Record

Routing number
321173386
NCUA charter number
64766
RSSD ID
931597
Headquarters
Merced, California 95340
Chartered
1954
NCUA insured since
December 9, 1978
Total assets (Q2 2026)
$207.3M
Members (Q2 2026)
16,315
Branch locations
4
Routing record refreshed
October 8, 2026
Check before you send money. Merco Credit Union's FFIEC record lists this one primary number and does not say whether it also serves wires. Confirm the wire number with the credit union. What a routing number is.

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