Texas · NCUA branch file, Q2 2026
Credit unions in Harlingen, TX
7 credit unions have 8 offices in Harlingen, Texas, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. Rio Grande Valley Credit Union has the most here (2); the largest by assets is Security Service Federal Credit Union at $14.4 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| Rio Grande Valley Credit Union | 2 | $180M | 10.54% | 4.89% | Harlingen, TX |
| Security Service Federal Credit Union | 1 | $14.4B | 11.26% | 6.85% | San Antonio, TX |
| Rally Credit Union | 1 | $4.8B | 14.02% | 3.99% | Corpus Christi, TX |
| Security First Federal Credit Union | 1 | $517M | 11.87% | 7.30% | McAllen, TX |
| Members First Credit Union | 1 | $183M | 24.01% | 4.95% | Corpus Christi, TX |
| Naft Federal Credit Union | 1 | $162M | 16.44% | 4.81% | Pharr, TX |
| Valley Federal Credit Union | 1 | $119M | 12.61% | 4.44% | Brownsville, TX |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All Texas credit union loan rates.
Addresses, phone numbers and hours
Rio Grande Valley Credit Union
- Expwy 83 4321 W Expressway 83, Harlingen, TX 78552 Drive-through · ATM
- Morgan 1221 Morgan Blvd, Harlingen, TX 78550 Main office · Drive-through · ATM
Security Service Federal Credit Union
- Harlingen 1410 N Ed Carey Dr, Harlingen, TX 78550
Rally Credit Union
- Harlingen Branch 202 Camelot Drive, Harlingen, TX 78550 Drive-through
Security First Federal Credit Union
- Harlingen Branch 2505 W Lincoln St, Harlingen, TX 78552 Drive-through · ATM
Members First Credit Union
- Harlingen Branch 722 S Loop 499, Harlingen, TX 78550 Drive-through · ATM
Naft Federal Credit Union
- NAFT Federal Credit Union WW 134 E Van Buren Ave Ste 102, Harlingen, TX 78550
Valley Federal Credit Union
- Harlingen Branch 1613 W Filmore Ave, Harlingen, TX 78550
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 Texas
- Houston 77
- San Antonio 21
- Austin 25
- El Paso 11
- Frisco 47
- Fort Worth 23
- Dallas 26
- Corpus Christi 14
- Beaumont 14
- Waco 19
- Amarillo 10
- Midland 12
- Odessa 8
- Tyler 12
- Texarkana 8
- Sugar Land 14
Every Texas city · All Texas credit unions
Questions people ask
How many credit unions are in Harlingen, TX?
NCUA's branch file for Q2 2026 lists 8 credit union offices in Harlingen, run by 7 credit unions, 1 of them headquartered in the city.
Which credit union has the most branches in Harlingen?
Rio Grande Valley Credit Union, with 2 offices in Harlingen. The largest credit union with an office here is Security Service Federal Credit Union, with $14.4 billion in assets.
Can I join a credit union in Harlingen?
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.