Browse the Thousand Oaks phone book to find residents and businesses throughout Ventura County. If you received a call from an unrecognized number with area code 805 or 820, use our lookup tool to see who it belongs to before you call back.
Federal Data
State Data
County Data
City Data
Find phone numbers for city businesses, public services, and organizations by category.
Got a phone call or message from a Thousand Oaks phone number you don't recognize? Before you answer, call back, or reply, use our phone number lookup service to find out who called you.
California phone numbers use area codes 805. Select a code below to look up numbers starting with it.
According to the National Do Not Call Registry, California residents filed 287,916 complaints about unwanted calls in 2024:
Phone numbers reported to the FTC as unwanted calls by Thousand Oaks residents in the last 30 days.
+1 (855) 909-0815
Reducing your debt (credit cards, mortgage, student loans)
4 reports ·
+1 (855) 994-2142
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
+1 (912) 646-3015
Other
1 report ·
+1 (608) 760-0039
Other
1 report ·
+1 (805) 202-0407
Other
1 report ·
+1 (888) 638-4956
Calls pretending to be government, businesses, or family and friends
1 report ·
+1 (540) 386-3602
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
+1 (617) 967-9171
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
+1 (912) 362-7052
Calls pretending to be government, businesses, or family and friends
1 report ·
+1 (915) 989-8671
Other
1 report ·
Received a call from a business but aren't sure it's really them? Ventura County, according to U.S. Census Bureau data, includes 20,087 firms and 22,761 establishments employing 269,050 people.
| County | Percent of City | Firms | Establishments |
|---|---|---|---|
| Ventura | 100.00% | 20087 | 22761 |
Use our reverse lookup service to verify whether a number belongs to a legitimate local business, not scammers spoofing local numbers to gain your trust.
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov .
Thousand Oaks has a population of 126966 people (median age of 44.40) - thousands of potential callers you might not recognize: neighbors, an old contact, or someone you actually want to talk to. Use our local white pages to find residents' phone numbers and addresses sourced from Ventura County, California state, and other public records.