API Error Codes

20008 – Invalid Phone Number

Phone number is invalid

Details

The phone number provided is invalid or not in correct format.

Error typeerror
MeaningInvalid phone number
Typical causesWrong format, invalid number, unsupported country
SolutionsVerify phone number format (E.164), check if number is valid, verify country support
Severitymedium

Catalog references

Where this appears

Twilio20008

Utilities

Copy-paste helpers

Troubleshooting steps

Verify phone number format (E.164), check if number is valid, verify country support

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FAQ

Common questions

What format is required?

Use E.164 format: +[country code][number], e.g., +14155551234 for US numbers.

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Discussion & Experiences

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