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Thousand Oaks, California Phone Lookup

Find the owner of any phone number in Thousand Oaks, California.

What Phone Numbers Are in Thousand Oaks, California?

Looking up a phone number in Thousand Oaks, California? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Thousand Oaks is served by 2 area codes and has 78 active phone prefixes.

2 Area Codes
78 Phone Prefixes
29% Wireless
71% Landline

Area Codes Serving Thousand Oaks

Phone numbers in Thousand Oaks, California use the following area codes: 805, 820.

Top Phone Carriers in Thousand Oaks

The most common phone service providers in Thousand Oaks include:

  • Onvoy, Llc - Ca
  • Frontier California Inc.
  • T-mobile Usa, Inc.
  • Level 3 Communications, Llc - Ca
  • Bandwidth.com Clec, Llc - Ca

Data current as of March 2026

Nearby Cities in California

Other cities in California that share area codes with Thousand Oaks:

Thousand Oaks at a Glance

125,205 Population
44.9 Median Age
$135,603 Median Income
48,084 Housing Units
71% Homeownership

Demographics

  • White 65.6%
  • Black 1.8%
  • Hispanic 20.6%
  • Asian 8.8%
  • Other 3.1%

Financial Profile

$177,837 Avg. Income per Return
$100,265 Avg. Wages per Return
69,600 Tax Returns Filed
4 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Thousand Oaks, California?

Phone numbers in Thousand Oaks, California use 2 area codes: 805, 820. These area codes are shared with other cities in the region. Thousand Oaks has 78 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.

How Do I Look Up a Phone Number in Thousand Oaks, California?

To look up any phone number in Thousand Oaks, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 2 area codes serving Thousand Oaks and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.

What Types of Phone Numbers Are in Thousand Oaks?

Thousand Oaks, California has both wireless and landline phone numbers. Approximately 29% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 71% being landline or VoIP. Major carriers serving the area include Onvoy, Llc - Ca, Frontier California Inc., T-mobile Usa, Inc.. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.