diff --git a/generate_all.sh b/generate_all.sh
index 02e7614..3b3bb97 100755
--- a/generate_all.sh
+++ b/generate_all.sh
@@ -21,6 +21,7 @@ python3 generate_moz-top500.py
 # Deprecate?
 #python3 generate-office365-cn.py > lists/microsoft-office365-cn/list.json
 python3 generate-office365.py
+python3 generate_phone_numbers.py
 python3 generate-publicdns.py
 python3 generate-tlds.py
 python3 generate_tranco.py
diff --git a/lists/phone_numbers/list.json b/lists/phone_numbers/list.json
new file mode 100644
index 0000000..99170b4
--- /dev/null
+++ b/lists/phone_numbers/list.json
@@ -0,0 +1,19 @@
+{
+  "description": "Numbers that should never be attributed.",
+  "list": [
+    "/((?:\\+|00)33?|0?)(19900)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(26191)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(35301)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(46571)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(53649)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(63998)([0-9]{4})/g",
+    "/((?:\\+|00)33?|0?)(999)([0-9]{6})/g"
+  ],
+  "matching_attributes": [
+    "phone-number",
+    "whois-registrant-phone"
+  ],
+  "name": "List of phone numbers that cannot be used.",
+  "type": "regex",
+  "version": 20201027
+}
diff --git a/tools/generate_phone_numbers.py b/tools/generate_phone_numbers.py
new file mode 100644
index 0000000..8e9f92f
--- /dev/null
+++ b/tools/generate_phone_numbers.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from generator import get_version, write_to_file
+
+
+def generate_french_warninglist():
+    regex = '/((?:\+|00)33?|0?)(%s)([0-9]{%s})/g'
+
+    # Warning list for numbers dedicated to communications companies internal use: numbers starting with 09 99
+    warninglist = [regex % ('999', '6')]
+
+    # Warning list for numbers dedicated to audiovisual works: starting with any of the following list
+    prefixes = ('19900', '26191', '35301', '46571', '53649', '63998')
+    warninglist.extend(regex % (prefix, '4') for prefix in prefixes)
+
+    return warninglist
+
+
+def process(warninglist_name):
+    description = {
+        'description': 'Numbers that should never be attributed.',
+        'name': 'List of phone numbers that cannot be used.',
+        'matching_attributes': [
+            'phone-number',
+            'whois-registrant-phone'
+        ],
+        'type': 'regex',
+        'version': get_version()
+    }
+
+    warninglist = generate_french_warninglist()
+    # The list can be extended by adding other entries: `warninglist.extend(generate_some_warninglist())`
+
+    description['list'] = warninglist
+    write_to_file(description, warninglist_name)
+
+
+if __name__ == '__main__':
+    warninglist_name = 'phone_numbers'
+    process(warninglist_name)