First Bank Credit Cards: World Mastercard vs. Platinum Mastercard (2026 Guide)

If you're comparing credit cards from First Bank, the community bank headquartered in Creve Coeur, Missouri, serving customers across Missouri, Illinois, and California (first.bank), this guide breaks down its two personal credit cards, who each one is built for, and how to decide between them.

Note on the name: Several unrelated banks in the U.S. use the name "First Bank" or "FirstBank," including institutions in Colorado, Alabama, New Jersey, and Pennsylvania. This guide covers only the Missouri/Illinois/California-based First Bank (first.bank). If you're a customer of a different First Bank, your card terms and benefits will differ, check your card issuer's website directly.

Quick Comparison

	World Mastercard	Platinum Mastercard
Best for	Everyday spending & travel rewards	Paying down existing debt
Rewards	3% travel & dining, 2% gas & groceries, 1% everything else	Focused on a low introductory APR rather than cash back
Sign-up offer	$500 cash back after $5,000 in purchases within 90 days	Introductory APR on purchases/balance transfers
Redemption	Unlimited cash back, no minimum to redeem	N/A (APR-focused card)
Ideal user	Someone who wants to earn on spending they already do	Someone consolidating debt or financing a large purchase

Rates, fees, and offers are set by First Bank and can change. Always confirm current terms on first.bank before applying.

First Bank World Mastercard

The World Mastercard is First Bank's rewards-focused card, aimed at people who want cash back on categories they already spend in — travel, dining, gas, and groceries.

How the rewards work:

• 3% cash back on travel and dining purchases
• 2% cash back on gas stations and grocery stores
• 1% cash back on everything else
• No minimum amount required to redeem cash back, and no cap mentioned on how much you can earn

Welcome offer: New cardholders can earn a $500 cash back bonus by spending $5,000 on purchases within the first 90 days of opening the account.

Who it's for: This card makes the most sense for someone who already spends a meaningful amount on dining out or travel and wants a straightforward, no-nonsense cash back structure without juggling rotating categories.

Card perks: As a World Mastercard, it also carries the standard World Mastercard benefit suite, protections like zero-liability fraud coverage and broad merchant acceptance anywhere Mastercard is accepted, in the U.S. and internationally.

First Bank Platinum Mastercard

The Platinum Mastercard takes a different approach, instead of maximizing rewards, it's built around a low introductory APR, making it a tool for debt consolidation or financing a big purchase over time.

What it's designed for:

• Consolidating higher-interest credit card balances onto one card
• Financing a large purchase and paying it off gradually during the introductory period
• Simplifying multiple payments into one manageable monthly bill

Who it's for: If you're carrying balances on other cards at higher interest rates, or you're planning a big expense you'd rather pay off over several months instead of all at once, this card is worth a closer look. It's less useful for someone chasing cash back or travel points.

Important: Introductory APR offers are temporary, they revert to a standard variable rate after a set period. Confirm the exact intro period, standard APR, and any balance transfer fees directly with First Bank before applying, since these terms are adjusted periodically.

World Mastercard vs. Platinum Mastercard: Which Should You Choose?

• Choose the World Mastercard if: you pay your balance in full most months and want to earn cash back on spending you're already doing.
• Choose the Platinum Mastercard if: you're carrying a balance elsewhere and the main thing you need is breathing room on interest, not rewards.
• You don't need both. Pick based on your actual spending and debt situation rather than trying to optimize for every scenario.

Frequently Asked Questions

Is First Bank (Missouri/Illinois/California) the same as FirstBank in Colorado? No. They are separate, unrelated companies. FirstBank Colorado was acquired by PNC and no longer issues new personal credit cards. This guide covers the Missouri-headquartered First Bank at first.bank.

Do First Bank credit cards charge an annual fee? Fee structures can change, so confirm current annual fees for each card directly on first.bank or with a First Bank representative before applying.

How do I redeem First Bank World Mastercard cash back? Log in to First Bank online banking and go to Card Management, or contact First Bank customer service directly.

Can I apply for a First Bank credit card if I don't live in Missouri, Illinois, or California? First Bank primarily serves customers in these states, so eligibility may depend on having an existing relationship or residency in its service area. Check first.bank for current eligibility requirements.

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This article is for informational purposes and is not financial advice. Card terms, rates, and rewards programs are determined by First Bank and are subject to change — always verify current details on first.bank before applying. [Affiliate disclosure: this post may contain affiliate links, and we may earn a commission if you apply through them, at no additional cost to you.]