5107212604
Phone number 5107212604 area code and prefix assignment information:
| Country |  United States |
|---|---|
| Location | CALIFORNIA |
| Rate Center | OKLD MN-PD |
| Carrier | ONVOY, LLC - CA |
Is 510-721-2604 a scam or spam call?
The FTC received 3 complaints about 510-721-2604. All complaints flagged this number as a robocall or recorded message. The most recent complaint was filed on June 18, 2026. All 3 complaints were reported from California. All complaints originated from San Jose.
Who called me from phone number +1 (510) 721-2604?
Based on area code 510, phone number is located in California, United States. The 721 prefix was originally assigned to the OKLD MN-PD rate center, serving Oakland and its surrounding areas.
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