Connecticut · NCUA branch file, Q2 2026

Credit unions in Groton, CT

4 credit unions have 8 offices in Groton, Connecticut, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. CorePlus Federal Credit Union has the most here (3); the largest by assets is Navy Federal Credit Union at $204.4 billion.

Credit unionOffices hereAssetsNet worth ratioNew auto rateBased in
CorePlus Federal Credit Union3$676M10.96%4.99%Norwich, CT
Navy Federal Credit Union2$204B11.65%4.59%Vienna, VA
Charter Oak Federal Credit Union2$1.7B12.54%5.54%Waterford, CT
America's First Network Credit Union1$105M10.86%4.50%East Hartford, CT

Rates are what each credit union reported to NCUA for new auto loans, not offers. All Connecticut credit union loan rates.

Addresses, phone numbers and hours

CorePlus Federal Credit Union

  • Groton 441 Long Hill Rd, Groton, CT 06340 860-886-0576 · Mon-Tue-Thur: 9:30am - 4:30pm Wednesday: 10:00am - 4:30pm Friday: 9:30am - 5:30pm Saturd… ATM
  • Colver Ave 60 Colver Ave, Groton, CT 06340 860-445-1060 · Mon-Thurs 8:30-4:30 Fri - 8:30-6:00 Sat 9:00-12:00pm ATM
  • Pfizer 445 Eastern Point Rd, Groton, CT 06340 860-441-0943 · Wed-Thurs 9-2 ATM

Navy Federal Credit Union

  • Nautilus Park-NSB NL CT 24 Sailfish Dr, Groton, CT 06340 888-842-6328 · Lobby: M-Th 0900 - 1700 Fri 0900 - 1700 Sat 0900 - 1400 ATM
  • Lower Base NSB New London CT Amberjack Rd, Groton, CT 06349 888-842-6328 · Lobby: M-F 0800 - 1600

Charter Oak Federal Credit Union

  • Chicago Avenue 32 Chicago Ave, Groton, CT 06340 860-446-8085 · Mon-Fri 9:00am - 4:30 pm Drive-through · ATM
  • Fitch High School 101 Groton Long Point Rd, Groton, CT 06340 860-446-8085 · Mon, Wed, Fri 10:30 am - 2:00 pm ATM

America's First Network Credit Union

  • Groton 44 Plaza Ct, Groton, CT 06340 860-446-4121 · 8 am to 4 pm Monday, Tues, Thursday, Friday Wednesday - 10 am to 5 pm

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 Connecticut

Every Connecticut city · All Connecticut credit unions

Questions people ask

How many credit unions are in Groton, CT?

NCUA's branch file for Q2 2026 lists 8 credit union offices in Groton, run by 4 credit unions.

Which credit union has the most branches in Groton?

CorePlus Federal Credit Union, with 3 offices in Groton. The largest credit union with an office here is Navy Federal Credit Union, with $204.4 billion in assets.

Can I join a credit union in Groton?

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.