List of Internet service providers in California
California has approximately 1,390 Internet service providers as of March 13, 2026.
California, contributing around 9.4% of all 14,866 Internet service providers in United States, making it one of the largest and most important state-level markets for targeted outreach. Around 75.4% of Internet service providers in California have email addresses, 97.2% have phone numbers, and 74.0% include both — with 82.8% also having a website.
Businesses in this dataset are well-represented on social media: 804 have Facebook pages, 169 are on Instagram, 797 have LinkedIn profiles, 710 use X (formerly Twitter), 207 maintain YouTube channels. Over 830 Internet service providers have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Internet service providers across California efficiently.
| 1390 Number of Internet service providers | |
| 1048 Email addresses | |
| 1351 Phone numbers | |
| 1151 With Websites | |
| 797 LinkedIn Profiles |
| 804 Facebook Profiles | |
| 169 Instagram Handles | |
| 710 X Handles | |
| 207 YouTube Channels | |
| 1029 Phone and Email |
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Data updated on March 13, 2026
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Download sample list of Internet service providers in California
Find new clients and close more deals with the world s best business leads provider. You can download Internet service providers email and phone number lists for your sales teams. Here is a random sample of 0 records for you to look at the fields and the data that we provide.
| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Internet service providers are there in the California?
Internet service providers in the California
Last updated: March 13, 2026
Approximately 75.4% of Internet service providers in California have email contacts, while 97.2% have phone numbers, giving strong contact coverage for regional sales and marketing.
Data last updated March 13, 2026
97.2%
1,351 Internet service providers in California with Phone Number
75.4%
1,048 Internet service providers in California with Email Address
74.0%
1,029 Internet service providers in California with Phone and Email
How to Use the List of Internet service providers in California
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across California is solid — 97.2% of internet service providers have phone numbers in this dataset. Your team can start calling California-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
75.4% of internet service providers in California have an email address on record. That's enough coverage to run full-state email sequences — from initial outreach to follow-up — hitting every major market and regional hub in a single campaign.
Multi-Channel Outreach Across California
74.0% of internet service providers in California have both phone and email on record. Rather than running separate lists per channel, your team can coordinate calls, emails, and follow-ups against the same contacts from one dataset.
Regional Ad Targeting
82.8% of internet service providers in California have a listed website — a strong signal of digital presence. Use those records to build lookalike audiences or upload the full list as a custom audience on Facebook, Google, or LinkedIn for precise, state-level ad targeting.
Pitching Services to California Businesses
89.4% of internet service providers in California are rated 4 stars or higher by real customers — a prime segment for reputation management tools, review platforms, and any service that helps businesses maintain or grow their online presence statewide.
California punches above its weight in the Internet service providers space — big enough to run serious statewide campaigns, focused enough to keep targeting precise.
List of Internet service providers in California with Social Media Accounts
57.8% on Facebook — indicating high social adoption across the state, supporting both organic and paid strategies
Explore Related Internet service providers by Location
Around 82.8% of Internet service providers in California have an active website, ideal for agencies and SaaS tools looking to scale their reach across a single high-value state.
Data last updated March 13, 2026
82.8%
1,151 Internet service providers in California that have a website
17.2%
239 Internet service providers in California that do not have a website
Download sales qualified leads of Internet service providers in the California
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
With 1,243 Internet service providers rated 4 stars or above, California is a strong market for reputation management and statewide review outreach strategies.
629
1-star rated Internet service providers in California
331
2-star rated Internet service providers in California
356
3-star rated Internet service providers in California
413
4-star rated Internet service providers in California
830
5-star rated Internet service providers in California
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Internet service providers are there in California?
There are 1,390 Internet service providers in California as of the latest update. This makes California an active market for B2B outreach and lead generation in the Internet service providers industry.
How many Internet service providers in California have email addresses?
1,048 Internet service providers in California have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Internet service providers in California have phone numbers?
1,351 Internet service providers in California include phone numbers. Of those, 1,029 also have email addresses, making them ideal for multi-channel outreach.
Which cities in California have the most Internet service providers businesses?
The concentration of Internet service providers varies across cities within California. The dataset includes a full cities-level breakdown so you can identify and prioritize the strongest markets for your campaigns.
Is this dataset suitable for statewide outreach to Internet service providers in California?
Absolutely. The dataset covers 1,390 Internet service providers businesses across California, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Internet service providers in California?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Internet service providers list for California?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
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