New Hampshire · NCUA branch file, Q2 2026
Credit unions in Portsmouth, NH
3 credit unions have 7 offices in Portsmouth, New Hampshire, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. Service Federal Credit Union has the most here (5); the largest by assets is Service Federal Credit Union at $6.70 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| Service Federal Credit Union | 5 | $6.7B | 11.89% | 4.24% | Portsmouth, NH |
| Lighthouse Federal Credit Union | 1 | $2.2B | 10.15% | 7.24% | Dover, NH |
| St. Mary's Bank Credit Union | 1 | $1.8B | 9.96% | 4.84% | Manchester, NH |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All New Hampshire credit union loan rates.
Addresses, phone numbers and hours
Service Federal Credit Union
- Pease Branch Office 14 Manchester Sq Ste 190, Portsmouth, NH 03801 Drive-through · ATM
- Portsmouth Branch 2032 Lafayette Rd, Portsmouth, NH 03801 Drive-through · ATM
- Portsmouth In-Store Branch 2460 Lafayette Rd, Portsmouth, NH 03801 ATM
- Contact Center 3003 Lafayette Rd, Portsmouth, NH 03801
- Corporate Headquarters 3003 Lafayette Rd, Portsmouth, NH 03801 Main office · ATM
Lighthouse Federal Credit Union
- Portsmouth NH Branch 750 Lafayette Rd, Portsmouth, NH 03801 Drive-through · ATM
St. Mary's Bank Credit Union
- Pease 20 International Dr, Portsmouth, NH 03801 ATM
Addresses, phones and hours are as each credit union filed them with NCUA; confirm before you visit. Not affiliated with NCUA or any credit union.
Other cities in New Hampshire
Every New Hampshire city · All New Hampshire credit unions
Questions people ask
How many credit unions are in Portsmouth, NH?
NCUA's branch file for Q2 2026 lists 7 credit union offices in Portsmouth, run by 3 credit unions, 1 of them headquartered in the city.
Which credit union has the most branches in Portsmouth?
Service Federal Credit Union, with 5 offices in Portsmouth. The largest credit union with an office here is Service Federal Credit Union, with $6.70 billion in assets.
Can I join a credit union in Portsmouth?
Each credit union serves a defined field of membership, often people who live or work in an area, employees of certain companies, or members of an association. Check the credit union's own eligibility rules. Some credit unions are open to anyone in the US through an association or a small donation.