Variable: RESTRICTED_ZIP3

const RESTRICTED_ZIP3: ReadonlySet<string>

The 17 restricted three-digit ZIP prefixes (population ≤ 20,000 per 2000 Census). A ZIP whose first three digits are in this set is generalized to 000; any other prefix retains its three digits.

Example

import { RESTRICTED_ZIP3 } from "@cosyte/deid";

RESTRICTED_ZIP3.has("036"); // => true
RESTRICTED_ZIP3.has("902"); // => false