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Formstack Forms: Phone Number Field

Minor Impact Resolved Duration: 4h 31m September 17, 2026
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Current answer

Formstack experienced a minor incident: Formstack Forms: Phone Number Field. ServiceAlert observed recovery on Sep 17, 2026.

Official Formstack status page Current Formstack status ServiceAlert observed status change:

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Incident Lifecycle

Identified Monitoring
Affected Components
Main Application

Incident Timeline

Monitoring
A fix has been implemented for the issue causing some users to receive a validation error when entering a phone number in the Phone Number field on Forms.

We are monitoring to ensure the issue remains resolved.
Sep 17, 2026 at 3:20 PM UTC
Identified
We have identified an issue causing some users to receive a validation error when entering a phone number in the Phone Number field on Forms.

Our team has identified the cause and is working to resolve the issue.
Sep 17, 2026 at 2:48 PM UTC
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