Docs / Utility

IsPhoneNumber()

IsPhoneNumber is an AMPscript function in the utility category. North American 10/11-digit check.

Syntax

IsPhoneNumber(str)

Example

%%=IsPhoneNumber("555-123-4567")=%%
Rendered output
True

Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.

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Official Salesforce documentation

IsPhoneNumber in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.

Related utility functions

VIIFEmptyIsNullIsNullDefaultAttributeValueOutputOutputLineRaiseErrorUrlEncodeRedirectToGUIDWrapLongURLIsEmailAddress