diff --git a/src/data/countryData.ts b/src/data/countryData.ts
index b97c604..edb6d4a 100644
--- a/src/data/countryData.ts
+++ b/src/data/countryData.ts
@@ -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'],