diff --git a/types/chance/chance-tests.ts b/types/chance/chance-tests.ts
index e8a5ba4cbd..a52e719fd9 100644
--- a/types/chance/chance-tests.ts
+++ b/types/chance/chance-tests.ts
@@ -185,3 +185,5 @@ sentence = chance.sentence({punctuation: ';'});
 sentence = chance.sentence({punctuation: '!'});
 sentence = chance.sentence({punctuation: ':'});
 sentence = chance.sentence({words: 10, punctuation: '?'});
+
+const postcode: string = chance.postcode();
diff --git a/types/chance/index.d.ts b/types/chance/index.d.ts
index 1ff6af8aee..498af7505a 100644
--- a/types/chance/index.d.ts
+++ b/types/chance/index.d.ts
@@ -101,6 +101,7 @@ declare namespace Chance {
         locales(opts?: {region: true}): string[];
         longitude(opts?: Options): number;
         phone(opts?: Options): string;
+        postcode(): string;
         postal(): string;
         province(opts?: Options): string;
         state(opts?: Options): string;