510-345-4420 – No voicemail reports and user reviews

Neutral (42/100) Reported as: Unknown Reviews: 1 Searches: 77 Updated: 03/29/2026
Risk level is an estimate based on user reports and search activity.

This number belongs to the 510 area code. Browse more numbers from this region in the area code directory. Browse numbers starting with 510-345

Phone number 510-345-4420 has 1 user review and was searched 77 times. Most users report this number as Unknown (1 report). Read the reports below and add your own review if you were contacted.

510-345-4420 appears to be a landline number linked to Oakland, CA.

The prefix is associated with T-MOBILE USA.

This phone number has been searched 77 times and has 1 user review.

User reports most clearly mention no voicemail.

Common themes mentioned by users include no voicemail.

One representative review says: “They called me from the number 5103454420 No message left. Not calling them back. Waste of my time. I do not know who this is nor do I answer calls from people I don't know. If you don't leave a message I won't call…”



Information about 510-345-4420

  • Total searches: 77
  • Total reviews: 1
  • Approved user reports: 1
  • Last activity date: 03/29/2026
  • Area code: 510
  • Line type: Landline
  • Prefix location: Oakland, CA
  • Carrier / operator: T-MOBILE USA
  • Top reported category: Unknown (1 report, 100%)
  • Recurring themes in reviews: no voicemail
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Reported call types for 510-345-4420

Type Reports
Unknown 1 (100%)
Distribution is based on approved user reports.


User reviews for 510-345-4420

They called me from the number 5103454420 No message left. Not calling them back. Waste of my time. I do not know who this is nor do I answer calls from people I don't know. If you don't leave a message I won't call you, and more than likely if I don't know you I won't call you back.

Leave a review for 510-345-4420

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FAQ

What does the current report say about 510-345-4420?

There is currently 1 approved user report for 510-345-4420. Read the review on this page to see how the caller was described and whether the experience matches your own.

Is 510-345-4420 considered safe or suspicious?

The answer depends on the reports shown on this page. Review the approved comments, the call type distribution, and any recurring themes before deciding how to treat future calls from this number.

Do users mention voicemail messages from 510-345-4420?

Yes, voicemail-related reports appear in feedback for 510-345-4420. Check the review section to see how users describe those messages and whether they seem suspicious, automated, or unwanted.

How to block 510-345-4420

On iPhone

Open the Phone app, go to Recents, tap the info icon next to the number, then choose Block this Caller.

On Android

Open the Phone app, go to recent calls, tap the number, then choose Block or Report spam, depending on your device.





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