Phone number 4086575503 area code and prefix assignment information:
| Country | |
|---|---|
| Location | CALIFORNIA |
| Rate Center | SAN MARTIN |
| Carrier | O1 COMMUNICATIONS, INC. - CA |
3 consumers reported phone number 408-657-5503 to the Federal Trade Commission. Every complaint identified the call as a robocall or recorded message. Reporting activity last occurred on June 2, 2026. All 3 complaints were reported from California. All complaints originated from San Leandro.
Based on area code 408, phone number is located in California, United States. The 657 prefix was originally assigned to the SAN MARTIN rate center, serving San Martin and its surrounding areas.
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