Prosperity Bank, officially known as Prosperity Bancshares, Inc., was established in 1983 by founders David Zalman and Edward T. “Rusty” Rose in Houston, Texas. The bank began its journey from a single location but expanded steadily through various acquisitions across the 1990s and 2000s, becoming a significant regional financial holding company over the years​​. The bank's headquarters is located at 4295 San Felipe St, Houston, Texas, 77027, United States, although there's also a mention of another address, 1301 N Mechanic St, El Campo, Texas 77437​.

To Read Core Details Of Prosperity Bank In short CLick Here.

Prosperity Bank is categorized as a commercial bank with a state charter and Federal Reserve non-member status, under the supervision of the Federal Deposit Insurance Corporation (FDIC)​. The bank is a Member FDIC institution, bearing the FDIC Certificate number 16835​. This certification ensures that the deposits of Prosperity Bank's customers are insured per FDIC regulations.

The routing number for Prosperity Bank is 113122655, which is essential for processing wire transfers and other automated transfers within the United States​. Here is the list of Prosperity Bank Routing Numbers CLick Here. In terms of geographical presence, Prosperity Bank has a substantial number of branches spread across Texas and central Oklahoma. As of December 31, 2019, the bank operated 285 branches, with a significant presence in various regions within Texas, including Houston, Dallas–Fort Worth metroplex, South Texas, East Texas, Central Texas, and West Texas, as well as in Central Oklahoma and Tulsa, Oklahoma​.

When it comes to banking policies and services, Prosperity Bank offers a range of digital banking services including consumer and business online banking, mobile app facilities, mobile deposits, and eStatements among others. Additionally, they provide debit card services, a range of convenience services like wire transfers, safe deposit boxes, and foreign currency exchange, as well as financial resources for security and fraud prevention. Prosperity Bank aims to simplify its customers' everyday financial needs by building genuine relationships and providing positive experiences at every touch-point. They offer various types of accounts to cater to the different needs of their customers such as the Royal Checking Account which comes with an array of free features, and savings accounts that allow customers to earn interest while having access to their funds​​.

Lastly, Prosperity Bank also has a focus on privacy, ensuring that they do not share customer information with non-affiliates for marketing purposes and have provisions for customers to file complaints if necessary​​.


Bank Name Prosperity Bank
Headquarters 1301 North Mechanic Street, El Campo, Texas 77437
Bank Class State Chartered - FED Nonmember Bank
CEO David Zalman
Bank FDIC Certificate #16835
Swift Code PROYUS44XXX
Atm's 280+
Location 285 Branches in 2 states
Routing Number Click Here
Customer Service 1 (800) 531-1401
Credit Card Support 1 (800) 531-1401
Number of Employees 3,901
ISIN US7436061052
Key People David Zalman (Chairman & CEO), Asylbek Osmonov (CFO)




A SWIFT code, also known as a BIC (Bank Identifier Code), is a standard format for uniquely identifying banks globally, especially during international transactions. It comprises 8-11 characters. The first 4 characters represent the bank's code, the next 2 denote the country, followed by 2 for the city. The remaining characters (which are optional) specify the bank's branch. This system ensures secure and efficient cross-border transfers. For instance, when sending money overseas, one would need the recipient's bank SWIFT code. It acts as an address that tells where to send the money, ensuring funds reach the correct institution.


PROY Bank code
US Country code
44 Location code
XXX Branch code
  • Country code A-Z

    2 letters representing the country the bank is in.

  • Location code 0-9 A-Z

    2 characters made up of letters or numbers. It says where that bank's head office is.

  • Branch Code 0-9 A-Z

    3 digits specifying a particular branch. 'XXX' represents the bank’s head office.


Below is a list of some important events in banks history, including mergers and acquisitions.

09-13-1949 Institution established. Original name: First National Bank of Edna.
10-03-1977 Institution withdraws from membership in the Federal Reserve System.
10-03-1977 Changed Chartering Agency to State.
10-03-1977 Changed Institution Name to First Bank of Edna.
01-02-1981 Changed Institution Name to Allied First Bank.
04-04-1984 Changed Institution Name to First Bank.
07-28-1988 Acquired First Capitol Bank (11146) in West Columbia, TX.
08-31-1990 Acquired Citizens National Bank (25301) in El Campo, TX.
08-22-1991 Acquired Buchel Bank and Trust Company (14421) in Cuero, TX.
06-18-1992 Changed Institution Name to First Prosperity Bank.
06-18-1992 Main Office moved to 1301 North Mechanic Street, El Campo, TX 77437.
06-25-1992 Acquired American National Bank - Post Oak (26420) in Houston, TX.
07-23-1992 Acquired 1st National Bank of Texas (26676) in Webster, TX.
10-01-1998 Acquired Union State Bank (10713) in East Bernard, TX.
10-01-1999 Acquired The Commercial National Bank of Beeville (3096) in Beeville, TX.
02-23-2001 Acquired Heritage Bank (1221) in Wharton, TX.
02-23-2001 Changed Institution Name to Prosperity Bank.
05-08-2002 Acquired Texas Guaranty Bank, National Association (25739) in Houston, TX.
07-12-2002 Acquired The First State Bank (11930) in Needville, TX.