{
  "source": "fin.codes source-stamped bank profile and labeled routing dataset",
  "canonical_url": "https://fin.codes/routing-number/281071227",
  "data": {
    "number": "281071227",
    "bankSlug": "first-fsb-of-mascoutah",
    "bankName": "First FSB of Mascoutah",
    "bankShortName": "First FSB of Mascoutah",
    "bankType": "bank",
    "bankWebsite": "https://www.firstfederalmascoutah.com",
    "hqCity": "Mascoutah",
    "hqState": "IL",
    "kind": "ach",
    "transferTypes": [
      "ACH",
      "domestic wire"
    ],
    "label": "First FSB of Mascoutah unverified routing candidate",
    "state": "IL",
    "verificationStatus": "unverified",
    "statusNote": "5 public candidate source families mention this routing number, but matched-bank support is below the cross-checked threshold and fin.codes has not verified it against an official bank source.",
    "sourceName": "moov-io/fed FedACH snapshot",
    "sourceUrl": "https://github.com/moov-io/fed",
    "lastReviewed": "2026-06-28"
  }
}