diff --git a/openapi_first/templates/vet_app/data.py b/openapi_first/templates/vet_app/data.py
index 3b1f47f..b48082c 100644
--- a/openapi_first/templates/vet_app/data.py
+++ b/openapi_first/templates/vet_app/data.py
@@ -315,15 +315,15 @@ def _seed_data():
     global _parents_next_id, _vets_next_id, _treatments_next_id
     global _pets_next_id, _appointments_next_id
 
-    _parents[1] = Parent(id=1, name="Alice Johnson", email="alice@example.com", phone="555-0101", metadata=meta)
-    _parents[2] = Parent(id=2, name="Bob Smith", email="bob@example.com", phone="555-0102", metadata=meta)
-    _parents[3] = Parent(id=3, name="Carol Williams", email="carol@example.com", phone="555-0103", metadata=meta)
-    _parents[4] = Parent(id=4, name="Dave Brown", email="dave@example.com", phone="555-0104", metadata=meta)
+    _parents[1] = Parent(id=1, name="Alice Johnson", email="alice@example.com", phone="5550101", metadata=meta)
+    _parents[2] = Parent(id=2, name="Bob Smith", email="bob@example.com", phone="5550102", metadata=meta)
+    _parents[3] = Parent(id=3, name="Carol Williams", email="carol@example.com", phone="5550103", metadata=meta)
+    _parents[4] = Parent(id=4, name="Dave Brown", email="dave@example.com", phone="5550104", metadata=meta)
     _parents_next_id = 5
 
-    _vets[1] = Vet(id=1, name="Sarah Connor", specialty="Surgery", email="sarah@clinic.com", phone="555-0201", metadata=meta)
-    _vets[2] = Vet(id=2, name="James Wilson", specialty="Dentistry", email="james@clinic.com", phone="555-0202", metadata=meta)
-    _vets[3] = Vet(id=3, name="Emily Davis", specialty="General Practice", email="emily@clinic.com", phone="555-0203", metadata=meta)
+    _vets[1] = Vet(id=1, name="Sarah Connor", specialty="Surgery", email="sarah@clinic.com", phone="5550201", metadata=meta)
+    _vets[2] = Vet(id=2, name="James Wilson", specialty="Dentistry", email="james@clinic.com", phone="5550202", metadata=meta)
+    _vets[3] = Vet(id=3, name="Emily Davis", specialty="General Practice", email="emily@clinic.com", phone="5550203", metadata=meta)
     _vets_next_id = 4
 
     _treatments[1] = Treatment(id=1, label="Annual Checkup", description="Full physical examination", metadata=meta)