diff --git a/README.md b/README.md
index fb1c19b14..fd00e458e 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,7 @@ Validator | Description
**isOctal(str)** | check if the string is a valid octal number.
**isPassportNumber(str, countryCode)** | check if the string is a valid passport number.
(countryCode is one of `[ 'AM', 'AR', 'AT', 'AU', 'BE', 'BG', 'BY', 'CA', 'CH', 'CN', 'CY', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'IE' 'IN', 'IS', 'IT', 'JP', 'KR', 'LT', 'LU', 'LV', 'MT', 'NL', 'PO', 'PT', 'RO', 'RU', 'SE', 'SL', 'SK', 'TR', 'UA', 'US' ]`.
**isPort(str)** | check if the string is a valid port number.
-**isPostalCode(str, locale)** | check if the string is a postal code,
(locale is one of `[ 'AD', 'AT', 'AU', 'AZ', 'BE', 'BG', 'BR', 'BY', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DO', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HT', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'MY', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SG', 'SI', 'TH', 'TN', 'TW', 'UA', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. Locale list is `validator.isPostalCodeLocales`.).
+**isPostalCode(str, locale)** | check if the string is a postal code,
(locale is one of `[ 'AD', 'AT', 'AU', 'AZ', 'BE', 'BG', 'BR', 'BY', 'CA', 'CH', 'CN', 'CZ', 'DE', 'DK', 'DO', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HT', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'MY', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SG', 'SI', 'TH', 'TN', 'TW', 'UA', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. Locale list is `validator.isPostalCodeLocales`.).
**isRFC3339(str)** | check if the string is a valid [RFC 3339](https://tools.ietf.org/html/rfc3339) date.
**isRgbColor(str [, includePercentValues])** | check if the string is a rgb or rgba color.
`includePercentValues` defaults to `true`. If you don't want to allow to set `rgb` or `rgba` values with percents, like `rgb(5%,5%,5%)`, or `rgba(90%,90%,90%,.3)`, then set it to false.
**isSemVer(str)** | check if the string is a Semantic Versioning Specification (SemVer).
diff --git a/src/lib/isPostalCode.js b/src/lib/isPostalCode.js
index db61330bd..23b373497 100644
--- a/src/lib/isPostalCode.js
+++ b/src/lib/isPostalCode.js
@@ -17,6 +17,7 @@ const patterns = {
BY: /2[1-4]{1}\d{4}$/,
CA: /^[ABCEGHJKLMNPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][\s\-]?\d[ABCEGHJ-NPRSTV-Z]\d$/i,
CH: fourDigit,
+ CN: /^(0[1-7]|1[012356]|2[0-7]|3[0-6]|4[0-7]|5[1-7]|6[1-7]|7[1-5]|8[1345]|9[09])\d{4}$/,
CZ: /^\d{3}\s?\d{2}$/,
DE: fiveDigit,
DK: fourDigit,
diff --git a/test/validators.js b/test/validators.js
index 383b2712d..f47d3ac0f 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -9344,6 +9344,18 @@ describe('Validators', () => {
'546080',
],
},
+ {
+ locale: 'CN',
+ valid: [
+ '150237',
+ '100000',
+ ],
+ invalid: [
+ '141234',
+ '386789',
+ 'ab1234',
+ ],
+ },
];
let allValid = [];