Credit Union Routing Number
Harborstone Credit Union Routing Number
The routing number for Harborstone Credit Union is 325180870. It is a credit union in Lakewood, Washington, NCUA charter 66399.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Harborstone Credit Union
Harborstone Credit Union is based in Lakewood, Washington, and has been chartered since 1955. It reported $3.13B in assets for Q2 2026, the 9th largest of 73 credit unions headquartered in Washington and 162nd of 4,252 nationally. Assets were $2.21B a year earlier (Q2 2025), so the credit union is larger now. It counted 121,878 members on that report. The NCUA lists 31 branch locations for the credit union.
Record
- Routing number
- 325180870
- NCUA charter number
- 66399
- RSSD ID
- 8695
- Headquarters
- Lakewood, Washington 98499
- Chartered
- 1955
- NCUA insured since
- August 28, 1985
- Total assets (Q2 2026)
- $3.13B
- Members (Q2 2026)
- 121,878
- Branch locations
- 31
- Routing record refreshed
- October 8, 2026
Routing numbers of similar-size institutions in Washington
- Credit union, Lakewood, WA
- American Lake Credit Union: 325182849
- Bank, Lakewood, WA
- Sound Banking Company: 125108175
- Bank, Mountlake Terrace, WA
- 1st Security Bank of Washington: 325182289
- Credit union, Richland, WA
- Hapo Community Credit Union: 325181264
- Credit union, Bellingham, WA
- Whatcom Educational Credit Union: 325180113
- Credit union, Tacoma, WA
- Sound Credit Union: 325183220
- Credit union, Vancouver, WA
- Columbia Community Credit Union: 323383349
- Credit union, Bremerton, WA
- Kitsap Credit Union: 325180223
View Harborstone Credit Union's full profile →
More in Washington: routing numbers and credit unions. Is this not Harborstone Credit Union's number? Look up a routing number.
Regulator records: NCUA credit union profile (charter 66399) · FFIEC NIC profile (RSSD 8695)