---
title: "Can I block outbound calls from certain prefixes?"
slug: "can-i-block-outbound-calls-from-certain-prefixes"
updated: 2026-04-20T14:51:54Z
published: 2026-05-21T21:25:40Z
canonical: "help.8x8.com/can-i-block-outbound-calls-from-certain-prefixes"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Can I block outbound calls from certain prefixes?

## Question

Can I block outbound calls from certain prefixes?

## Applies To

- Outbound Calls
- Call Blocking
- Admin Console

## Answer

For any requests to block outbound calling create a case with 8x8 Technical Support.