List of Post offices in California
California has approximately 558 Post offices as of May 18, 2026. The highest concentrations are in cities such as Los Angeles (82), San Francisco (76), San Diego (70), positioning California as a key regional market for city-level and statewide B2B campaigns.
California, contributing around 10.6% of all 5,272 Post offices in United States, making it one of the largest and most important state-level markets for targeted outreach. Around 46.6% of Post offices in California have email addresses, 61.6% have phone numbers, and 39.2% include both — with 56.6% also having a website.
Businesses in this dataset are well-represented on social media: 241 have Facebook pages, 216 are on Instagram, 107 have LinkedIn profiles, 226 use X (formerly Twitter), 14 maintain YouTube channels. This dataset helps target Post offices across California efficiently.
| 558 Number of Post offices | |
| 260 Email addresses | |
| 344 Phone numbers | |
| 316 With Websites | |
| 107 LinkedIn Profiles |
| 241 Facebook Profiles | |
| 216 Instagram Handles | |
| 226 X Handles | |
| 14 YouTube Channels | |
| 219 Phone and Email |
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Data updated on May 18, 2026
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Download sample list of Post offices in California
Find new clients and close more deals with the world s best business leads provider. You can download Post offices email and phone number lists for your sales teams. Here is a random sample of 20 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 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
United States Postal Service |
| Spokane | Washington | United States |
|
|
| 129 | 1.8 | - | - | |||
USPS Mail Dropbox |
| Omaha | Nebraska | United States |
|
|
| 1 | 5 | - | - | |||
Lamar Post Office |
| Lamar | Nebraska | United States |
|
| - | 2 | 5 | - | - | - | - | |
Amelia Postal Station |
| The Villages | Florida | United States |
|
|
| 1 | 5 | - | - | |||
Jemarfa Mailbox |
| Miami | Florida | United States |
|
| - | 0 | 0 | - | - | - | - | |
TCU Post Office |
| Fort Worth | Texas | United States |
|
|
| 1 | 5 | - | - | - | - | |
Ralston Post Office |
| Ralston | Nebraska | United States |
|
|
| 0 | 3 | - | - | - | - | |
Estudillo Station San Leandro Post Office |
| San Leandro | California | United States |
|
|
| 9 | 2.6 | - | - | |||
United States Mail Service |
| Willow Springs | California | United States |
|
|
| 0 | 0 | - | - | - | ||
Post Office |
| Greenwood | Indiana | United States |
|
|
| 0 | 2.7 | - | - | - | - | |
US Post Office |
| Creedmoor | North Carolina | United States |
|
|
| 22 | 3.2 | - | ||||
Leaning Post Productions |
| Campbell Hall | New York | United States |
|
|
| 0 | 0 | - | - | - | ||
Star Valley Ranch Postal Facility |
| Star Valley Ranch | Wyoming | United States |
|
| - | 2 | 3 | - | - | - | - | |
Never Walk Alone Dating |
| Prosper | Texas | United States |
|
|
| 0 | 0 | - | ||||
West Swanzey Post Office |
| West Swanzey | New Hampshire | United States |
|
|
| 6 | 2.7 | - | - | |||
Post office seminole |
| Charlottesville | Virginia | United States |
|
| - | 0 | 0 | - | - | - | - | |
Loyola Mailroom |
| Chicago | Illinois | United States |
|
|
| 6 | 4.7 | |||||
Glen Haven Post Office |
| Estes Park | Colorado | United States |
|
|
| 3 | 2.3 | - | - | |||
United States Postal Office |
| Kearny | New Jersey | United States |
|
|
| 3 | 3.3 | - | ||||
Taplin Post Office |
| Lyburn | West Virginia | United States |
|
| - | 1 | 5 | - | - | - | - |
Address
Email
Phone
Website
How many Post offices are there in the California?
Post offices in the California
Last updated: May 18, 2026
Approximately 46.6% of Post offices in California have email contacts, while 61.6% have phone numbers, making it well-suited for statewide lead generation and direct outreach.
Data last updated May 18, 2026
61.6%
344 Post offices in California with Phone Number
46.6%
260 Post offices in California with Email Address
39.2%
219 Post offices in California with Phone and Email
Distribution by Location
Number of Post offices across different territories
The Post offices market in California is highly concentrated in key cities such as Los Angeles (14.7%), San Francisco (13.6%), San Diego (12.5%), suggesting that focused regional campaigns here would yield the highest returns.
City | Post offices | % of Total |
|---|---|---|
| Los Angeles | 82 | 14.7% |
| San Francisco | 76 | 13.6% |
| San Diego | 70 | 12.5% |
These figures highlight that Post offices businesses are concentrated in economically active cities, making them prime targets for large-scale outreach campaigns.
How to Use the List of Post offices in California
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across California is solid — 61.6% of post offices 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
46.6% of post offices 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
39.2% of post offices 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
56.6% of post offices 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
0.0% of post offices 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.
For sales teams working the Post offices vertical, California alone can sustain a full territory quota with room to spare.
Top Cities in California
List of Post offices in California with Social Media Accounts
43.2% on Facebook — suggesting a digitally active regional market receptive to statewide social advertising
Explore Related Post offices by Location
Around 56.6% of Post offices in California have an active website, suggesting a digitally established regional market well-suited for state-level SEO and ad campaigns.
Data last updated May 18, 2026
56.6%
316 Post offices in California that have a website
43.4%
242 Post offices in California that do not have a website
Download sales qualified leads of Post offices in the California
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Post offices are there in California?
There are 558 Post offices in California as of the latest update. This makes California an active market for B2B outreach and lead generation in the Post offices industry.
How many Post offices in California have email addresses?
260 Post offices in California have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Post offices in California have phone numbers?
344 Post offices in California include phone numbers. Of those, 219 also have email addresses, making them ideal for multi-channel outreach.
Which cities in California have the most Post offices businesses?
The top cities by Post offices count are Los Angeles (82), San Francisco (76), San Diego (70). These markets represent the highest concentration of prospects and are strong targets for priority outreach and regional campaign planning.
Is this dataset suitable for statewide outreach to Post offices in California?
Absolutely. The dataset covers 558 Post offices businesses across California, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Post offices 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 Post offices 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.
Still have questions? Feel free to reach out to our support team
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