What does *66 do on a cell phone?
Dialing *66 on a cell phone activates a feature called "Continuous Redial" or "Busy Redial." This service automatically redials a busy number until the call goes through, saving you time and effort. It’s particularly useful when trying to reach someone during peak hours or when lines are busy.
How Does *66 Work on a Cell Phone?
When you dial *66, your phone enters a mode where it continuously attempts to redial a busy number. This feature is available on most landlines and some mobile carriers. Here’s how it typically works:
- Dial the Busy Number: First, try calling the number you want to reach.
- Activate *66: If the line is busy, hang up and dial *66.
- Automatic Redial: Your phone will automatically redial the number every few minutes.
- Notification: Once the call goes through, you will receive a notification, and your phone will ring.
This feature is ideal for busy professionals or anyone who needs to reach someone urgently. However, it’s important to note that not all carriers offer this service on mobile phones.
Is *66 Available on All Carriers?
Not all carriers support the *66 feature, and its availability can vary. Here’s a quick comparison of major U.S. carriers:
| Carrier | *66 Availability | Additional Cost | Activation Method |
|---|---|---|---|
| Verizon | Yes | May apply | Dial *66 |
| AT&T | Yes | May apply | Dial *66 |
| T-Mobile | No | Not applicable | Not available |
| Sprint | Yes | May apply | Dial *66 |
Before using, check with your carrier to see if this service is available and whether any additional charges apply.
Benefits of Using *66
Using *66 offers several advantages:
- Saves Time: Automatically redials a busy number, so you don’t have to.
- Convenience: Frees you to do other tasks while your phone works for you.
- Efficiency: Increases the likelihood of reaching someone during peak times.
Are There Alternatives to *66?
If your carrier does not support *66, or if you prefer other methods, consider these alternatives:
- Redial Manually: Keep trying the number yourself.
- Use a Calling App: Some apps offer auto-redial features.
- Schedule a Callback: If available, use the callback option provided by the service you’re trying to reach.
People Also Ask
How do I deactivate *66 on my cell phone?
To deactivate *66, simply dial *86 on your phone. This will cancel any ongoing redial attempts. Some carriers may have different deactivation codes, so check with your provider for specific instructions.
Does *66 work for international calls?
Generally, *66 is designed for domestic calls within the United States. Its functionality for international calls depends on your carrier’s policies. Contact your carrier to confirm if this feature is available for international dialing.
Is there a cost associated with using *66?
The cost of using *66 can vary by carrier. Some providers may offer it as a free service, while others might charge a small fee. Always verify with your carrier to understand any potential costs involved.
Can I use *66 on a smartphone?
Yes, you can use *66 on smartphones, provided your carrier supports the feature. The process is the same as on a landline: dial *66 after encountering a busy signal.
What if *66 doesn’t work on my phone?
If *66 doesn’t work, it might not be supported by your carrier or plan. Consider using a third-party app that offers similar functionality or manually redialing the number.
Conclusion
The *66 feature is a handy tool for anyone who frequently encounters busy signals. It automates the redialing process, saving you time and effort. However, its availability varies by carrier, so it’s crucial to check with your provider for specific details and any associated costs. If *66 is not an option, consider exploring alternative methods to achieve the same goal.
For more information on cell phone features and tips, explore our articles on smartphone productivity apps and carrier-specific services.





