Django PhoneField not working as expected.

somehow i did not make that a model form. my bad.

customer form

class Customer_Form(forms.modelForm):
    first_name = forms.CharField(
        max_length=20, label="What is your first name?", required=True
    )
    middle_name = forms.CharField(
        max_length=20, label="What is your middle name?"
    )
    last_name = forms.CharField(
        max_length=20, label="What is your last name?", required=True
    )
    suffix = forms.CharField(
        max_length=5, label="If you have a suffix in your name what is it?", required=False
    )
    address = forms.CharField( 
        max_length=50, label="What is your address?", required=True
    )
    zip_code = forms.IntegerField(label="What is your zip code?")
    # dashes between the number
    
    phone_number = forms.CharField(
        validators=[validate_phone_numbers], max_length=10, label="What is your phone number?"
        )
    
    email = forms.EmailField(
        max_length=50, required=False, label="What is your email address?"
    )
    date_of_birth = forms.DateField(required=True, label="What is your date of birth?")
    home_ownership = forms.CharField(label="Do you own or rent your home?")