diff --git a/README.md b/README.md
index f930719a8..514c4c0d3 100644
--- a/README.md
+++ b/README.md
@@ -143,7 +143,7 @@ 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 relative to a specific country code.
 **isPort(str)**                         | check if the string is a valid port number.
-**isPostalCode(str, locale)**           | check if the string is a postal code,<br/><br/>(locale is one of `[ 'AD', 'AT', 'AU', 'BE', 'BG', 'BR', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'NL', 'NO', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SI', '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,<br/><br/>(locale is one of `[ 'AD', 'AT', 'AU', 'BE', 'BG', 'BR', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SI', '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`.).
 **isSemVer(str)**                       | check if the string is a Semantic Versioning Specification (SemVer).
 **isSurrogatePair(str)**                | check if the string contains any surrogate pairs chars.
 **isURL(str [, options])**              | check if the string is an URL.<br/><br/>`options` is an object which defaults to `{ protocols: ['http','https','ftp'], require_tld: true, require_protocol: false, require_host: true, require_valid_protocol: true, allow_underscores: false, host_whitelist: false, host_blacklist: false, allow_trailing_dot: false, allow_protocol_relative_urls: false, disallow_auth: false }`.<br/><br/>require_protocol - if set as true isURL will return false if protocol is not present in the URL.<br/>require_valid_protocol - isURL will check if the URL's protocol is present in the protocols option.<br/>protocols - valid protocols can be modified with this option.<br/>require_host - if set as false isURL will not check if host is present in the URL.<br/>allow_protocol_relative_urls - if set as true protocol relative URLs will be allowed.
diff --git a/es/lib/isPostalCode.js b/es/lib/isPostalCode.js
index a33300724..0e0cf7ec0 100644
--- a/es/lib/isPostalCode.js
+++ b/es/lib/isPostalCode.js
@@ -41,6 +41,7 @@ var patterns = {
   MT: /^[A-Za-z]{3}\s{0,1}\d{4}$/,
   NL: /^\d{4}\s?[a-z]{2}$/i,
   NO: fourDigit,
+  NP: /^(10|21|22|32|33|34|44|45|56|57)\d{3}$|^(977)$/i,
   NZ: fourDigit,
   PL: /^\d{2}\-\d{3}$/,
   PR: /^00[679]\d{2}([ -]\d{4})?$/,
@@ -59,7 +60,7 @@ var patterns = {
   ZM: fiveDigit
 };
 export var locales = Object.keys(patterns);
-export default function (str, locale) {
+export default function isPostalCode(str, locale) {
   assertString(str);
 
   if (locale in patterns) {
diff --git a/lib/isPostalCode.js b/lib/isPostalCode.js
index 7dab73f7b..333152fba 100644
--- a/lib/isPostalCode.js
+++ b/lib/isPostalCode.js
@@ -3,7 +3,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.default = _default;
+exports.default = isPostalCode;
 exports.locales = void 0;
 
 var _assertString = _interopRequireDefault(require("./util/assertString"));
@@ -52,6 +52,7 @@ var patterns = {
   MT: /^[A-Za-z]{3}\s{0,1}\d{4}$/,
   NL: /^\d{4}\s?[a-z]{2}$/i,
   NO: fourDigit,
+  NP: /^(10|21|22|32|33|34|44|45|56|57)\d{3}$|^(977)$/i,
   NZ: fourDigit,
   PL: /^\d{2}\-\d{3}$/,
   PR: /^00[679]\d{2}([ -]\d{4})?$/,
@@ -72,7 +73,7 @@ var patterns = {
 var locales = Object.keys(patterns);
 exports.locales = locales;
 
-function _default(str, locale) {
+function isPostalCode(str, locale) {
   (0, _assertString.default)(str);
 
   if (locale in patterns) {
diff --git a/src/lib/isPostalCode.js b/src/lib/isPostalCode.js
index 4800b3cea..fdb537de4 100644
--- a/src/lib/isPostalCode.js
+++ b/src/lib/isPostalCode.js
@@ -43,6 +43,7 @@ const patterns = {
   MT: /^[A-Za-z]{3}\s{0,1}\d{4}$/,
   NL: /^\d{4}\s?[a-z]{2}$/i,
   NO: fourDigit,
+  NP: /^(10|21|22|32|33|34|44|45|56|57)\d{3}$|^(977)$/i,
   NZ: fourDigit,
   PL: /^\d{2}\-\d{3}$/,
   PR: /^00[679]\d{2}([ -]\d{4})?$/,
diff --git a/test/validators.js b/test/validators.js
index 6dd77f8f0..22b2927cd 100755
--- a/test/validators.js
+++ b/test/validators.js
@@ -7962,6 +7962,22 @@ describe('Validators', () => {
           '3997 GH',
         ],
       },
+      {
+        locale: 'NP',
+        valid: [
+          '10811',
+          '32600',
+          '56806',
+          '977',
+        ],
+        invalid: [
+          '11977',
+          'asds',
+          '13 32',
+          '-977',
+          '97765',
+        ],
+      },
       {
         locale: 'PL',
         valid: [