National Car Rental Contract code X120300 (2026)
Costco Travel discount code for National Car Rental.
| Contract Code | X120300 |
| Organization | Costco Travel |
| Discount | Varies |
| Notes | Costco members. |
How to enter Contract code X120300
- Go to the National Car Rental website or app.
- Enter your pickup location, dates, and vehicle preference.
- Find the "Contract Number" or "Discount Code" field.
- Enter
X120300. - Compare the discounted rate against the standard rate to confirm savings.
Tips for using X120300
- Save the Contract code to your loyalty profile (Emerald Club) for auto-apply on future bookings.
- Compare "Pay Now" vs "Pay Later" rates — Pay Now is often 20-30% cheaper but non-refundable.
- Check National Car Rental's Offers page for seasonal promos that stack with Contract codes.
- For weekend rentals (Fri-Sun), look for weekend specials that combine with the Contract code.
Other National Car Rental codes
See all National Car Rental codes →
Frequently asked questions
Does the National Car Rental X120300 code earn loyalty points?
Yes. All National Car Rental Contract codes earn loyalty points when booked directly on the National Car Rental website or app. Save the code to your loyalty profile for auto-apply on future bookings.
Will National Car Rental verify my Costco Travel affiliation for code X120300?
Public association codes (AAA, AARP) are rarely verified at National Car Rental. Employer-specific codes may require proof at pickup. If unable to verify, you'll be re-rated at the standard walk-in price.
Can I stack the X120300 code with National Car Rental promotions?
Contract codes typically stack with seasonal promotions, weekend specials, and loyalty member offers at National Car Rental. Check the Offers page on the National Car Rental website before booking.
What discount does National Car Rental code X120300 give?
The X120300 Contract code for Costco Travel provides approximately Varies off the base rate. Actual discounts vary by location, dates, and vehicle class.