Phone number 5102572527 area code and prefix assignment information:
| Country | |
|---|---|
| Location | CALIFORNIA |
| Rate Center | FRNK OLIVR |
| Carrier | TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
24 consumers have filed FTC complaints against 510-257-2527. The majority of complaints (83%) flagged this as a robocall. The most recent complaint was filed on April 30, 2026. Complaints were reported from California and Washington. The most complaints came from Oakland and Tacoma.
Based on area code 510, phone number is located in California, United States. The 257 prefix was originally assigned to the FRNK OLIVR rate center, serving Fremont/Newark and its surrounding areas.
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