diff --git a/src/components/PhoneInput/PhoneInput.test.tsx b/src/components/PhoneInput/PhoneInput.test.tsx
index 664c3e0..84144b6 100644
--- a/src/components/PhoneInput/PhoneInput.test.tsx
+++ b/src/components/PhoneInput/PhoneInput.test.tsx
@@ -1122,10 +1122,10 @@ describe('PhoneInput', () => {
 
   test('should use default mask if country data does not have mask', () => {
     // mask is undefined
-    const { rerender } = render(<PhoneInput defaultCountry="do" />);
-    fireChangeEvent('+1114567');
-    expect(getInput().value).toBe('+1 114567');
-    expect(getCountrySelector()).toHaveAttribute('data-country', 'do');
+    const { rerender } = render(<PhoneInput defaultCountry="af" />);
+    fireChangeEvent('+93114567');
+    expect(getInput().value).toBe('+93 114567');
+    expect(getCountrySelector()).toHaveAttribute('data-country', 'af');
 
     // mask is empty string
     rerender(<PhoneInput defaultCountry="gr" />);
diff --git a/src/data/countryData.ts b/src/data/countryData.ts
index b97c604..2fb92f8 100644
--- a/src/data/countryData.ts
+++ b/src/data/countryData.ts
@@ -132,7 +132,7 @@ export const defaultCountries: CountryData[] = [
   ['Denmark', 'dk', '45', '.. .. .. ..'],
   ['Djibouti', 'dj', '253'],
   ['Dominica', 'dm', '1767'],
-  ['Dominican Republic', 'do', '1', '', 2],
+  ['Dominican Republic', 'do', '1', '(...) ...-....', 2, ['809', '829', '849']],
   ['Ecuador', 'ec', '593'],
   ['Egypt', 'eg', '20'],
   ['El Salvador', 'sv', '503', '....-....'],
@@ -213,7 +213,21 @@ export const defaultCountries: CountryData[] = [
   ['Namibia', 'na', '264'],
   ['Nauru', 'nr', '674'],
   ['Nepal', 'np', '977'],
-  ['Netherlands', 'nl', '31', '.. ........'],
+  [
+    'Netherlands',
+    'nl',
+    '31',
+    {
+      '/^06/': '(.). .........',
+      '/^6/': '. .........',
+      '/^0(10|13|14|15|20|23|24|26|30|33|35|36|38|40|43|44|45|46|50|53|55|58|70|71|72|73|74|75|76|77|78|79|82|84|85|87|88|91)/':
+        '(.).. ........',
+      '/^(10|13|14|15|20|23|24|26|30|33|35|36|38|40|43|44|45|46|50|53|55|58|70|71|72|73|74|75|76|77|78|79|82|84|85|87|88|91)/':
+        '.. ........',
+      '/^0/': '(.)... .......',
+      default: '... .......',
+    },
+  ],
   ['New Caledonia', 'nc', '687'],
   ['New Zealand', 'nz', '64', '...-...-....'],
   ['Nicaragua', 'ni', '505'],
@@ -232,7 +246,7 @@ export const defaultCountries: CountryData[] = [
   ['Philippines', 'ph', '63', '.... .......'],
   ['Poland', 'pl', '48', '...-...-...'],
   ['Portugal', 'pt', '351'],
-  ['Puerto Rico', 'pr', '1', '', 3, ['787', '939']],
+  ['Puerto Rico', 'pr', '1', '(...) ...-....', 3, ['787', '939']],
   ['Qatar', 'qa', '974'],
   ['Réunion', 're', '262'],
   ['Romania', 'ro', '40'],
diff --git a/src/utils/countryUtils/__tests__/guessCountryByPartialNumber.test.ts b/src/utils/countryUtils/__tests__/guessCountryByPartialNumber.test.ts
index 57202e9..44d5257 100644
--- a/src/utils/countryUtils/__tests__/guessCountryByPartialNumber.test.ts
+++ b/src/utils/countryUtils/__tests__/guessCountryByPartialNumber.test.ts
@@ -153,32 +153,22 @@ describe('guessCountryByPartialNumber', () => {
   test('should return the current country if the dial code matches', () => {
     expect(
       guessCountryByPartialNumber({
-        phone: '+1 234567890',
+        phone: '+39 1234567890',
         countries: defaultCountries,
-        currentCountryIso2: 'us',
+        currentCountryIso2: 'it',
       }),
     ).toMatchObject({
-      country: { dialCode: '1', iso2: 'us' },
+      country: { dialCode: '39', iso2: 'it' },
     });
 
     expect(
       guessCountryByPartialNumber({
-        phone: '+1 204567890', // Canada area code
+        phone: '+39 1234567890',
         countries: defaultCountries,
-        currentCountryIso2: 'do',
+        currentCountryIso2: 'va',
       }),
     ).toMatchObject({
-      country: { dialCode: '1', iso2: 'ca' },
-    });
-
-    expect(
-      guessCountryByPartialNumber({
-        phone: '+1 111567890',
-        countries: defaultCountries,
-        currentCountryIso2: 'do',
-      }),
-    ).toMatchObject({
-      country: { dialCode: '1', iso2: 'do' },
+      country: { dialCode: '39', iso2: 'va' },
     });
   });
 });