List of Post offices in Illinois
Illinois has approximately 1,384 Post offices as of March 13, 2026.
Illinois, contributing around 4.1% of all 33,362 Post offices in United States, representing a focused regional opportunity for state-level B2B outreach and lead generation. Around 92.8% of Post offices in Illinois have email addresses, 94.9% have phone numbers, and 92.1% include both — with 93.9% also having a website.
Businesses in this dataset are well-represented on social media: 1,282 have Facebook pages, 1,279 are on Instagram, 30 have LinkedIn profiles, 1,279 use X (formerly Twitter), 45 maintain YouTube channels. Over 1,027 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 Illinois efficiently.
| 1384 Number of Post offices | |
| 1285 Email addresses | |
| 1314 Phone numbers | |
| 1299 With Websites | |
| 30 LinkedIn Profiles |
| 1282 Facebook Profiles | |
| 1279 Instagram Handles | |
| 1279 X Handles | |
| 45 YouTube Channels | |
| 1275 Phone and Email |
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Data updated on March 13, 2026
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Download sample list of Post offices in Illinois
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 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 Post offices are there in the Illinois?
Post offices in the Illinois
Last updated: March 13, 2026
Approximately 92.8% of Post offices in Illinois have email contacts, while 94.9% have phone numbers, giving strong contact coverage for regional sales and marketing.
Data last updated March 13, 2026
94.9%
1,314 Post offices in Illinois with Phone Number
92.8%
1,285 Post offices in Illinois with Email Address
92.1%
1,275 Post offices in Illinois with Phone and Email
How to Use the List of Post offices in Illinois
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Illinois is solid — 94.9% of post offices have phone numbers in this dataset. Your team can start calling Illinois-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
92.8% of post offices in Illinois 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 Illinois
92.1% of post offices in Illinois 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
93.9% of post offices in Illinois 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 Illinois Businesses
111.5% of post offices in Illinois 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.
Smaller share, but high signal: Illinois's Post offices market is concentrated enough to make hyper-targeted outreach highly effective.
List of Post offices in Illinois with Social Media Accounts
92.6% on Facebook — indicating high social adoption across the state, supporting both organic and paid strategies
Explore Related Post offices by Location
Around 93.9% of Post offices in Illinois 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
93.9%
1,299 Post offices in Illinois that have a website
6.1%
85 Post offices in Illinois that do not have a website
Download sales qualified leads of Post offices in the Illinois
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
With 1,543 Post offices rated 4 stars or above, Illinois is a strong market for reputation management and statewide review outreach strategies.
735
1-star rated Post offices in Illinois
406
2-star rated Post offices in Illinois
424
3-star rated Post offices in Illinois
516
4-star rated Post offices in Illinois
1,027
5-star rated Post offices in Illinois
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Post offices are there in Illinois?
There are 1,384 Post offices in Illinois as of the latest update. This makes Illinois an active market for B2B outreach and lead generation in the Post offices industry.
How many Post offices in Illinois have email addresses?
1,285 Post offices in Illinois have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Post offices in Illinois have phone numbers?
1,314 Post offices in Illinois include phone numbers. Of those, 1,275 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Illinois have the most Post offices businesses?
The concentration of Post offices varies across cities within Illinois. 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 Post offices in Illinois?
Absolutely. The dataset covers 1,384 Post offices businesses across Illinois, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Post offices in Illinois?
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 Illinois?
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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