diff --git a/lemarche/siaes/migrations/0074_alter_siae_contact_phone_and_more.py b/lemarche/siaes/migrations/0074_alter_siae_contact_phone_and_more.py
new file mode 100644
index 000000000..ccca2bc54
--- /dev/null
+++ b/lemarche/siaes/migrations/0074_alter_siae_contact_phone_and_more.py
@@ -0,0 +1,27 @@
+# Generated by Django 4.2.13 on 2024-05-17 15:20
+
+import phonenumber_field.modelfields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("siaes", "0073_siae_brevo_company_id"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="siae",
+            name="contact_phone",
+            field=phonenumber_field.modelfields.PhoneNumberField(
+                blank=True, max_length=150, region=None, verbose_name="Téléphone"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="siaegroup",
+            name="contact_phone",
+            field=phonenumber_field.modelfields.PhoneNumberField(
+                blank=True, max_length=150, region=None, verbose_name="Téléphone"
+            ),
+        ),
+    ]
diff --git a/lemarche/siaes/models.py b/lemarche/siaes/models.py
index aba0ae26c..12c273088 100644
--- a/lemarche/siaes/models.py
+++ b/lemarche/siaes/models.py
@@ -16,6 +16,7 @@
 from django.utils.encoding import force_str
 from django.utils.functional import cached_property
 from django.utils.text import slugify
+from phonenumber_field.modelfields import PhoneNumberField
 
 from lemarche.perimeters.models import Perimeter
 from lemarche.siaes import constants as siae_constants
@@ -88,7 +89,7 @@ class SiaeGroup(models.Model):
         verbose_name="Site internet", help_text="Doit commencer par http:// ou https://", blank=True
     )
     contact_email = models.EmailField(verbose_name="E-mail", blank=True, db_index=True)
-    contact_phone = models.CharField(verbose_name="Téléphone", max_length=150, blank=True)
+    contact_phone = PhoneNumberField(verbose_name="Téléphone", max_length=150, blank=True)
     contact_social_website = models.URLField(
         verbose_name="Réseau social", help_text="Doit commencer par http:// ou https://", blank=True
     )
@@ -688,7 +689,7 @@ class Siae(models.Model):
         blank=True,
         help_text="Le contact renseigné ici recevra les opportunités commerciales par mail",
     )
-    contact_phone = models.CharField(verbose_name="Téléphone", max_length=150, blank=True)
+    contact_phone = PhoneNumberField(verbose_name="Téléphone", max_length=150, blank=True)
     contact_social_website = models.URLField(
         verbose_name="Réseau social", help_text="Doit commencer par http:// ou https://", blank=True
     )