Phone number 5093783100 area code and prefix assignment information:
| Country | |
|---|---|
| Location | WASHINGTON |
| Rate Center | KENNEWICK |
| Carrier | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
6 consumers have reported phone number 509-378-3100 to the FTC. Roughly 33% of complaints flagged this number as a robocall. Reporting activity last occurred on April 28, 2026. Complaints were reported from Washington, Alaska and Texas. The cities with the most complaints were Olympia, Tacoma, Walla Walla, Willow and Mission.
Based on area code 509, phone number is located in Washington, United States. The 378 prefix was originally assigned to the KENNEWICK rate center, serving Kennewick and its surrounding areas.
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