# VoiceV1HighriskSpecialPrefix ## Operations - [Fetch the high-risk special services prefixes from the country resource corresponding to the [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2)](https://twilio.demo.bump-doc.com/doc/voice/operation/operation-listdialingpermissionshrsprefixes.md) [Powered by Bump.sh](https://bump.sh)