# Primary landline last verification date

Indicates the date an individual's primary landline telephone number was last verified.

- API name: `primary_landline_last_verification_date`
- Category: Demography
- Type · unit: Date
- Individuals with a value: 27.9M (10.8%)
- Latest collection: Jun 1, 2026, refreshed every two months
- How values combine: Read from a single source field.
- Middle 50% of values: Feb 2026 to May 2026
- Derivations:
  - Unspecified

## Links

- [Catalog page](/catalog/v2/primary_landline_last_verification_date)
- [Published statistics (JSON)](https://static.faraday.ai/figv2/primary_landline_last_verification_date.json)
- [API reference](/docs/reference/getattribute)