List of Post offices in California
California has approximately 2,111 Post offices as of March 13, 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 6.3% of all 33,362 Post offices in United States, making it one of the largest and most important state-level markets for targeted outreach. Around 85.6% of Post offices in California have email addresses, 86.8% have phone numbers, and 81.6% include both — with 87.4% also having a website.
Businesses in this dataset are well-represented on social media: 1,793 have Facebook pages, 1,776 are on Instagram, 128 have LinkedIn profiles, 1,781 use X (formerly Twitter), 36 maintain YouTube channels. Over 1,775 Post offices have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Post offices across California efficiently.
| 2111 Number of Post offices | |
| 1808 Email addresses | |
| 1833 Phone numbers | |
| 1846 With Websites | |
| 128 LinkedIn Profiles |
| 1793 Facebook Profiles | |
| 1776 Instagram Handles | |
| 1781 X Handles | |
| 36 YouTube Channels | |
| 1722 Phone and Email |
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Data updated on March 13, 2026
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| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Post offices are there in the California?
Post offices in the California
Last updated: March 13, 2026
Approximately 85.6% of Post offices in California have email contacts, while 86.8% have phone numbers, making it well-suited for statewide lead generation and direct outreach.
Data last updated March 13, 2026
86.8%
1,833 Post offices in California with Phone Number
85.6%
1,808 Post offices in California with Email Address
81.6%
1,722 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 (3.9%), San Francisco (3.6%), San Diego (3.3%), suggesting that focused regional campaigns here would yield the highest returns.
City | Post offices | % of Total |
|---|---|---|
| Los Angeles | 82 | 3.9% |
| San Francisco | 76 | 3.6% |
| San Diego | 70 | 3.3% |
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 — 86.8% 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
85.6% 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
81.6% 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
87.4% 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
145.3% 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.
Sales teams targeting the Post offices sector should treat California as a priority territory — high volume, geographically defined, and well worth dedicated campaigns.
Top Cities in California
List of Post offices in California with Social Media Accounts
84.9% on Facebook — suggesting a digitally active regional market receptive to statewide social advertising
Explore Related Post offices by Location
Around 87.4% 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 March 13, 2026
87.4%
1,846 Post offices in California that have a website
12.6%
265 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.
3,068 Post offices in California have earned 4-star or higher ratings — demonstrating that businesses across the state actively maintain their online reputation.
1,526
1-star rated Post offices in California
1,106
2-star rated Post offices in California
1,104
3-star rated Post offices in California
1,293
4-star rated Post offices in California
1,775
5-star rated Post offices in California
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Post offices are there in California?
There are 2,111 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?
1,808 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?
1,833 Post offices in California include phone numbers. Of those, 1,722 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 2,111 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.
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