Receiving phone calls from a number with 10 zeros, such as 0000000000, can be a cause for concern. Here's some information to help you understand why you might be receiving these calls:

1. Caller ID Spoofing: The most common reason for receiving calls from a number with 10 zeros is caller ID spoofing. This is when a caller deliberately falsifies the information transmitted to disguise the number they're calling from. Scammers and telemarketers often use this technique to hide their true identity [1].

2. Privacy Settings: Some caller ID services allow users to hide their number from caller IDs on other devices. Instead of showing as an unknown number, the number appears as all zeros. This feature is often used by scammers or robocalls to increase the chances of the call being answered [2].

3. Bug or Glitch: In some cases, receiving calls from a number with all zeros could be a bug or glitch with your caller ID system. If the system cannot identify the number, it may default to displaying all zeros. Updating your caller ID service and the software on your phone may help resolve this issue [2].

4. Long-Distance Carriers: Long-distance carriers may also hide their numbers for security and privacy reasons. When calls are routed through multiple centers, hiding the number can help protect the carrier's users. If you have any relatives or know someone abroad, it's possible that the call with all zeros originated from them [2].

It's important to note that most calls from numbers with all zeros are likely to be scams or unwanted calls. It is generally recommended to avoid picking up calls from such numbers to protect yourself from potential fraud or harassment.

Learn more:

1. I keep getting phone calls from a 0000000000 number ... - Quora
2. Calls From A Phone Number With All Zeroes: Demystified - Robot Powered Home
3. Call from all zeros on my iPhone: What is… - Apple Community