FRSTUS4S — FROST BANK
FRSTUS4S is the SWIFT/BIC code for FROST BANK in SAN ANTONIO, TX, United States — an 8-character head-office code under ISO 9362.
FRSTUS4S is the SWIFT/BIC code for FROST BANK in SAN ANTONIO, TX, United States. It is an 8-character head-office identifier under the ISO 9362 standard.
BIC breakdown (ISO 9362)
| Field | Value |
|---|---|
| Institution | FROST BANK |
| Country | United States (US) |
| Location Code | 4S |
| Branch | None |
| Type | 8-character head-office code (BIC8) |
⚠️ Critical Money Transfer Warning (YMYL)
Verify the BIC with your beneficiary bank: Database records are informational only. swiftbic.org is not affiliated with SWIFT. Always verify the SWIFT/BIC code and name of the beneficiary with the receiving bank or official registration records before initiating any international wire transfer.
Common Mistakes: Do not confuse the SWIFT/BIC code (identifies the bank branch) with the IBAN (identifies the specific bank account). Using an incorrect branch suffix or a deactivated code can result in payments being returned, delayed, or subject to significant administrative return fees.
Verify FRSTUS4S in the live lookup → · IBAN Validator & Checker → · SWIFT Guide →
Related codes for this bank
Frequently asked questions
What bank does the SWIFT code FRSTUS4S belong to?
The SWIFT code FRSTUS4S identifies FROST BANK in SAN ANTONIO, TX, United States. This head office code is used for cross-border payments and SWIFT network routing.
What do the parts of the SWIFT code FRSTUS4S mean?
The 8 or 11 characters of FRSTUS4S are parsed as follows: characters 1-4 (FRST) represent the bank code for FROST BANK; characters 5-6 (US) indicate the country code for United States; characters 7-8 (4S) specify the location code; and the final characters (—) designate the specific branch.
Is the BIC code FRSTUS4S active on the SWIFT network?
Yes, the Business Identifier Code (BIC) FRSTUS4S is registered under ISO 9362 and is active for routing interbank messages. Location characters '4S' designate it as a primary active participant.
Can I use the head office code FRSTUS4S instead of FRSTUS4S?
Yes. The 8-character code FRSTUS4S represents the primary headquarters of FROST BANK. The 11-character code FRSTUS4S targets the head office directly. If the branch code is unknown, sending payments to FRSTUS4S (or FRSTUS4SXXX) will route them to the main head office.
What is the physical address of the bank registered to FRSTUS4S?
The physical address registered for FRSTUS4S is: 111 WEST HOUSTON STREET, 78205-1457, SAN ANTONIO, TX, United States. Verify this address matches your recipient's branch details before initiating a transaction.
What routing networks operate with the FRSTUS4S code in United States?
The SWIFT code FRSTUS4S is used for international inbound wire transfers in the United States. US domestic transfers use 9-digit ABA routing numbers for ACH and Fedwire.
Sources & References
- 🌐 ISO 9362: The official standard defining the Business Identifier Code (BIC) format guidelines.
- 🏢 SWIFT Registration Authority: The organization designated by ISO to register and publish BICs (swift.com).