US bank data · source-specific evidence

GNB Bank

GNB Bank in Grundy Center, IA: FDIC identifier, address, linked locations and source date. Routing assignments are checked separately.

Institution details

Source identifier
FDIC 14079
Type
bank
Address
529 G Ave, Grundy Center, IA 50638
Source status
Active in this snapshot
Snapshot
2026-09-04

Review the official FDIC source

Routing numbers and payment rails

Institution identity is not a routing-number assignment. This FDIC record does not establish ACH, Fedwire, FedNow or RTP eligibility. Obtain the routing number from your bank, then check the source observations in our routing checker. We do not guess routing numbers from bank names.

US accounts do not use IBANs. This directory does not verify account existence, ownership, balances or payment acceptance.

Recorded locations: 10

Showing up to 20 locations linked by the official source identifier, not by name similarity. Confirm current opening status with the institution.

ACKLEY BRANCH

308 Sherman Ave
Ackley, IA 50601

CONRAD OFFICE BRANCH

103 E Center St
Conrad, IA 50621

MESSENGER SERVICE BRANCH

103 E Center St
Conrad, IA 50621

GNB Bank

529 G Ave
Grundy Center, IA 50638

INSURANCE & INVESTMENTS

603 7th St
Grundy Center, IA 50638

IOWA FALLS DOWNTOWN BRANCH

315 Main St
Iowa Falls, IA 50126

GNB MANCHESTER BRANCH

300 E Main St
Manchester, IA 52057

MARSHALLTOWN BRANCH

2504 S 2nd St
Marshalltown, IA 50158

STORY CITY OFFICE

629 Broad St
Story City, IA 50248

TIMBERLAND VILLAGE BRANCH

725 Timberland Dr
Story City, IA 50248