service-manual checked
ONS Design System Phone numbers pattern
Documents making the needed phone-number type clear, explaining why and when the user may be contacted, allowing familiar phone-number formats, helping users enter the correct format, and showing missing or incorrect details above the field.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Phone number entry | Choose phone number entry when the product genuinely needs a telephone route for calls, SMS messages, identity recovery, service contact, delivery coordination, support callbacks, or account verification. | Users can type, paste, autofill, edit, select, undo, and correct the phone value through native input behavior. | ONS supports clear phone-number type, why and when contact may happen, familiar formats, format help, and field-level errors. |
Evidence Role
This source is treated as service-manual evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Office for National Statistics. Last checked: .