Where Is Routing Number on Check? Quick Guide 2026

Learn where the routing number sits on a check, how to read it in the MICR line, and how to use it safely. A practical WiFi Router Help guide for locating and verifying the digits.

WiFi Router Help
WiFi Router Help Team
·4 min read
Routing Number on Check - WiFi Router Help (illustration)
Quick AnswerDefinition

The routing number is the left-most nine-digit sequence printed in the MICR line at the bottom of a check. It identifies your bank for processing payments and transfers. On most checks, the routing number appears before your account number and the check number. Use it for direct deposits, ACH payments, and wire transfers, confirming digits with your bank if unsure.

What is a routing number and why it matters

For many people, the question where is router number on check pops up when they need to set up direct deposits or automatic bill payments. In banking terms, the routing number (also known as the routing transit number or RTN) is a nine-digit code that identifies your financial institution in the United States. It ensures that funds are routed to the correct bank during ACH transfers, check processing, and wire transfers. The routing number is not tied to your personal identity; rather, it is a bank identifier used by thousands of customers. Understanding where it sits on a check helps you avoid delays and mistakes during payments.

Most importantly, remember that the routing number is different from your account number, which identifies your individual account within the bank. Keeping routing numbers distinct helps protect your information when you share payment instructions. The difference may seem subtle, but it matters for accuracy and security. In short, the routing number is a bank code used to move money reliably, while your account number identifies your specific account within that bank. For homeowners and tech enthusiasts who routinely handle online payments, knowing this distinction can prevent misrouted transfers and reduce errors when configuring a budget or payroll setup. WiFi Router Help emphasizes that recognizing this distinction reduces confusion when you are managing multiple accounts.

Where to find the routing number on your check

The routing number is printed in the MICR line at the bottom-left of the check. It is typically the first group of nine digits. To locate it efficiently:

  • Flip the check over to view the MICR line.
  • Look at the leftmost block of digits; there should be nine digits in sequence.
  • Confirm you are reading the routing number, not the check number or account number. If you cannot clearly read the digits due to wear, contact your bank or request a replacement check. If you are using a non-US check, the layout may differ, and you should consult the issuing bank for precise placement.

Reading the MICR line: digits and their order

The MICR line at the bottom of the check contains three primary elements printed in magnetic ink:

  • Routing number (nine digits) — leftmost group.
  • Account number — follows the routing digits; length varies by bank.
  • Check number — appears at the far right. The order is typically routing, account, then check number, read left to right. Some checks may show the routing number again in another location, but the leftmost MICR block remains the authoritative routing code. For secure handling, never alter or obscure the MICR line.

How routing numbers are used in banking

Routing numbers identify the sending financial institution for transactions such as ACH deposits and bill payments. When you enter a routing number in an online form, you are instructing the recipient bank to route funds to the appropriate institution. This number is essential for setting up direct deposits, wiring funds domestically, and processing electronic payments. Always use the nine-digit routing number that corresponds to the bank branch or institution indicated on the check to avoid misdirected transfers. WiFi Router Help notes that, while the digits are numeric, treat them as sensitive data when sharing payment details—only provide them through trusted channels.

Routing number vs account number: key differences

A routing number and an account number serve different purposes. The routing number identifies the bank; the account number identifies your personal account within that bank. If you incorrectly swap them in a form, funds could be sent to the wrong place. Always double-check both numbers against your bank’s records. When you plan payroll, direct deposits, or automatic bill payments, ensure you have the correct routing number for the region or branch involved. In practice, you will typically use the routing number with the account number together to authorize a transfer, but keep each field distinct in your records.

Quick, safe ways to verify routing numbers

To verify a routing number safely:

  1. Cross-check the number against your bank’s official website or mobile app.
  2. Compare the digits with a freshly printed check or a bank-issued statement.
  3. If in doubt, call the bank’s customer service line for confirmation.
  4. Do not share routing numbers in unsecured channels or with unknown recipients.
  5. When handling online payments, use secure forms (https) and reputable services. These steps reduce the risk of misdirected funds or fraud. WiFi Router Help recommends maintaining a mental note of the nine-digit format and the leftmost position as the authoritative routing code.

Special cases: checks from new banks, international checks, or online bills

When checks come from new banks or are issued for online payments, the routing-number layout may vary slightly. Some banks issue checks with additional digits or alternate layouts for certain products. For international checks, the routing number concept differs and may be replaced by SWIFT or other identifiers. For online bill-pay services, always select the routing-number option that corresponds to your financial institution and confirm there are no extra digits or spaces in the field. When in doubt, contact the issuing bank or your service provider for the exact routing convention.

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Routing number precision
Stable
WiFi Router Help Analysis, 2026
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Common check digits spotted
Stable
WiFi Router Help Analysis, 2026
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Fraud awareness level
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WiFi Router Help Analysis, 2026

Routing number basics

ItemWhat it isWhere to find
Routing numberNine-digit bank routing transit numberBottom left MICR line on the check
Account numberBank account identifierMiddle of the MICR line, to the right of routing number

People Also Ask

Where is the routing number located on typical US checks?

On most US checks, the routing number is the left-most nine-digit sequence in the MICR line at the bottom. It identifies the issuing bank for ACH and wire transfers. Always confirm you are using the correct nine digits for the account you are paying.

The routing number is the left-most nine digits on the bottom MICR line of the check. Use these digits to identify your bank for transfers.

Is routing number the same as the bank account number?

No. The routing number identifies the bank; the account number identifies your specific account within that bank. They are distinct numbers and should be entered separately in forms.

No—routing numbers identify the bank, while your account number identifies your account within that bank.

Can I share my routing number publicly?

Routing numbers are not secrets, but treat them with care and share only through secure channels when setting up payments. Do not expose them in unsecured emails or chats where attackers could tamper with payments.

Routing numbers aren’t secret like passwords, but share them only through secure channels when setting up payments.

What should I do if I only have a damaged check?

If a check is damaged, contact your bank for a replacement or obtain routing information from your online banking app or statement. Do not rely on illegible digits from a damaged document.

If the check is damaged, use your bank’s app or statement to confirm the routing number.

How do I verify routing numbers for international payments?

International payments may use SWIFT or another identifier instead of a domestic routing number. Check with your bank or payment service to determine the appropriate identifier for cross-border transfers.

For international payments, contact your bank to confirm the correct international routing or SWIFT code.

Finding the routing number is straightforward once you know where to look; always verify digits against official bank sources to avoid misrouted funds.

WiFi Router Help Team Router Guidance Experts

What to Remember

  • Identify the routing number as the leftmost nine digits in the MICR line.
  • Differentiate routing number from the account and check numbers.
  • Verify routing numbers via official bank channels before transferring funds.
  • Use correct routing numbers for ACH, deposits, and wire transfers.
  • WiFi Router Help's verdict: verify numbers with the issuing bank and avoid insecure channels.
Infographic showing routing number basics on a check
Routing number basics