diff --git a/alembic/versions/20250415_182746_3f75cae3_update_contact.py b/alembic/versions/20250415_182746_3f75cae3_update_contact.py
new file mode 100644
index 0000000..4b2c769
--- /dev/null
+++ b/alembic/versions/20250415_182746_3f75cae3_update_contact.py
@@ -0,0 +1,19 @@
+"""add phone_number field to contacts table
+Revision ID: 8f3a91d2e4c5
+Revises: 0002
+Create Date: 2024-01-30 10:00:00.000000
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '8f3a91d2e4c5'
+down_revision = '0002'
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    op.add_column('contacts', sa.Column('phone_number', sa.String(), nullable=True))
+
+def downgrade():
+    op.drop_column('contacts', 'phone_number')
\ No newline at end of file
diff --git a/endpoints/contact.post.py b/endpoints/contact.post.py
index 7831b01..88260b6 100644
--- a/endpoints/contact.post.py
+++ b/endpoints/contact.post.py
@@ -11,12 +11,6 @@ async def create_contact_submission(
     contact_data: ContactCreate,
     db: Session = Depends(get_db)
 ):
-    """Create a new contact submission with email validation"""
-    # Sanitize input data
     sanitized_data = sanitize_contact_data(contact_data)
-    
-    # Create contact using helper function
-    contact = create_contact(db=db, contact_data=sanitized_data)
-    
-    # Format response
-    return format_contact_response(contact)
\ No newline at end of file
+    new_contact = create_contact(db=db, contact_data=sanitized_data)
+    return format_contact_response(new_contact)
\ No newline at end of file
diff --git a/helpers/contact_helpers.py b/helpers/contact_helpers.py
index b8d4bb2..4ea9a03 100644
--- a/helpers/contact_helpers.py
+++ b/helpers/contact_helpers.py
@@ -35,6 +35,14 @@ def validate_contact_data(contact_data: ContactCreate) -> Dict[str, str]:
     if not contact_data.message or not contact_data.message.strip():
         errors["message"] = "Message is required"
     
+    # Validate phone number format if provided
+    if contact_data.phone_number:
+        # Basic phone number format validation
+        # Remove any spaces, dashes, or parentheses
+        cleaned_phone = ''.join(filter(str.isdigit, contact_data.phone_number))
+        if not (10 <= len(cleaned_phone) <= 15):
+            errors["phone_number"] = "Phone number must be between 10 and 15 digits"
+    
     return errors
 
 def create_contact(db: Session, contact_data: ContactCreate) -> Contact:
@@ -91,10 +99,21 @@ def sanitize_contact_data(contact_data: ContactCreate) -> ContactCreate:
         email = contact_data.email.strip().lower()
         validate_email(email)
         
+        # Sanitize phone number if provided
+        phone_number = None
+        if contact_data.phone_number:
+            # Remove any non-digit characters except '+' at the start
+            phone_number = contact_data.phone_number.strip()
+            if phone_number.startswith('+'):
+                phone_number = '+' + ''.join(filter(str.isdigit, phone_number[1:]))
+            else:
+                phone_number = ''.join(filter(str.isdigit, phone_number))
+        
         # Create a new dict with sanitized values
         sanitized_data = ContactCreate(
             name=contact_data.name.strip(),
             email=email,
+            phone_number=phone_number,
             message=contact_data.message.strip()
         )
         return sanitized_data
diff --git a/models/contact.py b/models/contact.py
index 914a82d..1d8b0c2 100644
--- a/models/contact.py
+++ b/models/contact.py
@@ -10,6 +10,7 @@ class Contact(Base):
     id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     name = Column(String, nullable=False)
     email = Column(String, nullable=False, index=True)
+    phone_number = Column(String, nullable=True)
     message = Column(Text, nullable=False)
     
     created_at = Column(DateTime, default=func.now())
diff --git a/schemas/contact.py b/schemas/contact.py
index 9d8a1d1..64b4fe3 100644
--- a/schemas/contact.py
+++ b/schemas/contact.py
@@ -6,6 +6,7 @@ from uuid import UUID
 class ContactBase(BaseModel):
     name: str = Field(..., min_length=1, max_length=255, description="Contact name")
     email: EmailStr = Field(..., description="Contact email address", regex=r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$") 
+    phone_number: Optional[str] = Field(None, description="Contact phone number")
     message: str = Field(..., min_length=1, description="Contact message")
 
 class ContactCreate(ContactBase):
@@ -14,6 +15,7 @@ class ContactCreate(ContactBase):
 class ContactUpdate(BaseModel):
     name: Optional[str] = Field(None, min_length=1, max_length=255, description="Contact name")
     email: Optional[EmailStr] = Field(None, description="Contact email address", regex=r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$")
+    phone_number: Optional[str] = Field(None, description="Contact phone number")
     message: Optional[str] = Field(None, min_length=1, description="Contact message")
 
 class ContactSchema(ContactBase):
@@ -27,7 +29,8 @@ class ContactSchema(ContactBase):
             "example": {
                 "id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
                 "name": "John Doe",
-                "email": "john.doe@example.com", 
+                "email": "john.doe@example.com",
+                "phone_number": "+1234567890",
                 "message": "Hello, I would like to get in touch.",
                 "created_at": "2023-01-01T12:00:00",
                 "updated_at": "2023-01-01T12:00:00"