Bank Routing Number

Plains State Bank Routing Number

The primary ABA routing number (RTN) for Plains State Bank, Humble, TX is shown below.

Primary ABA / RTN

111323207

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Plains State Bank routing number?

The Plains State Bank routing number is 111323207. It is the primary ABA routing transit number registered to Plains State Bank, headquartered in Humble, TX. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Plains State Bank wire routing number?

This page lists 111323207, the primary routing number registered to Plains State Bank. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Plains State Bank before sending a wire.

Is ABA number 111323207 the routing number for Plains State Bank?

Yes. ABA number 111323207 is the primary routing number registered to Plains State Bank. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 111323207?

Routing number 111323207 belongs to Plains State Bank, headquartered in Humble, TX. It is the bank's primary ABA routing number (FDIC certificate 17739).

Routing numbers of similar-size institutions in Texas

Bank, Humble, TX: Third Coast Bank: 113094149
Credit union, Humble, TX: United Energy Credit Union: 313085039
Credit union, Humble, TX: Houston Belt & Terminal Federal Credit Union: 313083581
Bank, Grapevine, TX: Bank of the West: 111916724
Credit union, Plano, TX: Intouch Credit Union: 311079474
Credit union, Odessa, TX: Complex Community Federal Credit Union: 316386832
Bank, Tyler, TX: Citizens 1st Bank: 113119396
Bank, Fort Davis, TX: Maverick Bank: 112314066

All routing numbers in Texas

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Regulator records: FDIC BankFind (cert 17739) · FFIEC NIC profile (RSSD 972862)