Routing number
nounverified· unreviewed·updated Aug 30, 2026
Also referred to as the ABA number. A nine-digit number (eight digits and a check digit) that identifies a specific financial institution.
MWEFederal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary
Classifications
Entity Type
Data0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
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Information Class
—60%llm-generatedllm:claude-haiku-4-5
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Variants
- plural
- Routing numbers
- possessive
- Routing number's
- pluralpossessive
- Routing numbers'