How to Send a Check with Bank21

Learn how to easily send physical checks using Bank21 with Check Supply. Follow this simple step-by-step guide.

Bank21 logo

Bank21

Trusted financial institution

Bank21 is supported by Check Supply, enabling you to send secure, convenient check mailing services directly from your mobile device.

Visit Bank21 Website

Bank21 Bill Pay vs Check Supply

See how Check Supply compares to Bank21's traditional bill pay system

FeatureBank21 Bill PayCheck Supply
Processing Time3-5 business daysSame day (before 3 PM EST)
Delivery Time5-7 business days1-5 business days
Mobile AppLimited mobile featuresFull iOS app experience
Track PaymentsLimited trackingReal-time tracking
Setup ComplexityComplex online banking setupSimple 2-minute setup
Customer SupportBank call centerDedicated mobile support

Save money and time with Check Supply's superior features and pricing compared to Bank21's bill pay system.

💡 Why Choose Check Supply?

No hidden fees, faster delivery, and a seamless mobile experience designed specifically for check mailing.

Step 1: Download Check Supply from the App Store

Download the Check Supply app from the Apple App Store.

Download Check Supply from App Store

Step 2: Enter the Payment Amount

Open the app and navigate to the Pay tab. Type in the amount you want to send and tap Mail My Check.

Enter the amount to send

Step 3: Add Recipient's Details

Input the name and address of the person you wish to send the check to. You can also import this information from your iPhone's contact list for added convenience.

Add recipient details

Step 4: Connect Your Bank21 Account

Connect your Bank21 account securely using Plaid. Your financial information is encrypted and stored only with Plaid; Check Supply never accesses or stores your sensitive data.

Connect your Bank21 account

Step 5: Optional Memo or Note

Add a memo or note to be printed on the bottom left corner of the check. This step is optional. When you're ready, tap Pay.

Add optional memo

Step 6: Review and Confirm

You'll see a confirmation page to review all the details. Confirm and pay for the service. If completed before 3 PM EST on a business day, your check will be printed and mailed the same day.

Review and confirm payment

Step 7: Track Your Check

Under the Payments tab, you can track your checks. Most are delivered within 1-5 USPS business days, including Saturdays.

Track your check delivery

Conclusion

Sending a physical check with Bank21 has never been easier. With Check Supply, you handle everything from your iPhone—quickly, securely, and without any hassle. Download the app today and simplify your payments.

Bank21 logo

Bank21

Trusted financial institution supported by Check Supply

Routing Numbers

101908988

Send checks securely with Bank21 through the Check Supply mobile app

Ready to simplify your payments?

Start sending checks effortlessly with our secure and easy-to-use platform.