diff --git a/src/lib/isPostalCode.js b/src/lib/isPostalCode.js
index 3dbaab1be..1d8e615da 100644
--- a/src/lib/isPostalCode.js
+++ b/src/lib/isPostalCode.js
@@ -35,6 +35,7 @@ const patterns = {
   IE: /^(?!.*(?:o))[A-z]\d[\dw]\s\w{4}$/i,
   IL: /^(\d{5}|\d{7})$/,
   IN: /^((?!10|29|35|54|55|65|66|86|87|88|89)[1-9][0-9]{5})$/,
+  IR: /\b(?!(\d)\1{3})[13-9]{4}[1346-9][013-9]{5}\b/,
   IS: threeDigit,
   IT: fiveDigit,
   JP: /^\d{3}\-\d{4}$/,
diff --git a/test/validators.js b/test/validators.js
index bf8cb515e..c55b06fd8 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -8863,6 +8863,18 @@ describe('Validators', () => {
           '1000',
         ],
       },
+      {
+        locale: 'IR',
+        valid: [
+          '4351666456',
+          '5614736867',
+        ],
+        invalid: [
+          '43516 6456',
+          '123443516 6456',
+          '891123',
+        ],
+      },
       {
         locale: 'CZ',
         valid: [