{
  "number": "253978581",
  "bankSlug": "columbia-post-office",
  "bankName": "Columbia Post Office",
  "bankShortName": "Columbia Post Office",
  "bankType": "credit-union",
  "hqCity": "Columbia",
  "hqState": "SC",
  "kind": "ach",
  "transferTypes": [
    "ACH"
  ],
  "label": "Columbia Post Office cross-checked routing number",
  "state": "SC",
  "verificationStatus": "cross-checked",
  "statusNote": "Cross-checked across 5 public candidate source families; not verified against an official bank source.",
  "sourceName": "5 public routing candidate source families",
  "sourceUrl": "https://github.com/moov-io/fed",
  "crossCheckSourceCount": 5,
  "lastReviewed": "2026-06-28"
}