Routing number for FirstBank Southwest is a 9 digit bank code used for various bank transactions such as direct deposits, electronic payments, wire transfers, check ordering and many more. Routing numbers are also known as bank routing numbers, routing transit numbers (RTNs), ABA numbers, ACH routing numbers. Routing numbers may differ depending on where your account was initially opened and the type of transaction made.
FirstBank Southwest is a FDIC Insured Bank (Non-member Bank) and its FDIC Certification ID is 3387. The RSSD ID for FirstBank Southwest is 840363.
The EIN (Employer Identification Number, also called IRS Tax ID) for FirstBank Southwest is 750491670.
Find FirstBank Southwest Routing Number on a Check
The best way to find the routing number for your FirstBank Southwest checking, savings or business account is to look into the lower left corner of the bank check. Find all routing number for FirstBank Southwest in the below table.
Routing Number
Bank
Address**
State, Zip
111308057
FIRSTBANK SOUTHWEST
P O BOX 32552 AMARILLO
Texas, 79120
111322910
FIRSTBANK SOUTHWEST
P O BOX 32552 AMARILLO
Texas, 79120
**Address mentioned in the table may differ from your branch office address. Routing number of a bank usually differ only by state and is generally same for all branches in a state.