Phone Field

Collect phone numbers with optional country-specific formatting and validation.

Configuration

Setting	Default	Description
Label	—	The question text
Required	false	Whether a phone number is mandatory
Phone Validation	On	Enable format validation
Country-Specific	Off	Restrict to a specific country format
Validation Country	US	Country code for validation format

When phone validation is enabled, the input is checked against the selected country’s phone number format. Invalid numbers show a validation error.

{ "field_name": "+1 (555) 123-4567" }

Phone numbers are stored as entered by the user. If you need a standardized format for Klaviyo, consider using the E.164 format validation.