NCUA-insured credit union
Security First — Mcallen, TX
Credit Union headquartered in Mcallen, Texas.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | P.O. Box 4829 Mcallen, TX 78502 |
| County | Hidalgo |
| Website | not published in NCUA data |
| Phone | (956) 661-4000 |
NCUA record
| NCUA Charter | 5547 |
| Federal Reserve RSSD ID | 619774 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
How to find your Security First routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| Edinburg Branch main office Edinburg, TX |
3515 S Jackson Rd, 78539 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
| Brownville Price Branch Brownsville, TX |
2455 E Price Rd, 78521 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
| 802 Branch Brownsville, TX |
465 E Ruben Torres Blvd, 78521 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm. Drive-Thru: Monday - Friday: 9:00am - 6:00pm |
| Harlingen Branch Harlingen, TX |
2505 W Lincoln St, 78552 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
| Mcallen Branch McAllen, TX |
3700 N 12Th St, 78501 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
| Mission Branch Mission, TX |
1409 E Griffin Pkwy, 78572 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
| Pharr Pharr, TX |
1218 W Dicker Dr, 78577 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm. Drive-Thru: Monday - Friday: 9:00am - 6:00pm |
| San Benito Branch San Benito, TX |
1140 W Us Highway 77, 78586 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm. Drive-Thru: Monday - Friday: 9:00am - 6:00pm |
| Weslaco Branch Weslaco, TX |
2502 E Business 83, 78596 (956) 661-4000 Lobby: Monday - Friday: 9:00am - 5:00pm, Saturday: 9:00am - 1:00pm Drive-Thru: Monday - Friday: 9:00am - 6:00pm Saturday: 9:00am - 1:00pm |
Where Security First has offices
Cities with the most Security First offices
Other credit unions headquartered in Mcallen
| South Texas | $68.89 million |
| Highway District 21 | $50.99 million |
Largest credit unions headquartered elsewhere in Texas
| Randolph-brooks Universal City | $19.19 billion |
| Security Service San Antonio | $14.21 billion |
| American Airlines Fort Worth | $9.45 billion |
| Texas Dow Employees Houston | $5.10 billion |
| Rally Corpus Christi | $4.77 billion |
| Eecu Fort Worth | $4.76 billion |
| Gecu El Paso | $4.66 billion |
| Credit Human San Antonio | $4.38 billion |
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