U S Postal Service Email Lists & Mailing Lists
Buy U S Postal Service Email Lists & Mailing Lists from LeadsPlease — voted #1 "Best List Broker Overall" by Business.com. Connect with influential professionals and decision-makers at post offices, regional mail centers, and postal service organizations nationwide with NCOA-verified, regularly-updated data and a 98%+ accuracy rate.
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- 1 About U S Postal Service Email Lists & Mailing Lists →
- 2 About SIC Code 4311 - U S Postal Service →
- 3 Information Included in your List →
- 4 Quantity of Leads Available →
- 5 How our Business Lists are Compiled: Where the Data comes From →
- 6 Deliverability & Accuracy: What to Expect →
- 7 Why Businesses Choose LeadsPlease Lists →
- 8 Pricing →
- 9 Other U S Postal Service Related Businesses →
- 10 Frequently Asked Questions →
- 11 Get Started →
- 12 Testimonials →
About U S Postal Service Email Lists & Mailing Lists
U S Postal Service Email Lists & Mailing Lists are business marketing lists that include important contact information for key decision makers at U S Postal Service across the country. These high quality b2b marketing lists help you quickly connect with your target audience, so you can spend more time selling your products and services, and growing your business.
About SIC Code 4311 - U S Postal Service
SIC code 4311 refers to the United States Postal Service, which encompasses the governmental entity responsible for mail collection, processing, and delivery throughout the United States and its territories. This classification includes the operation of post offices, the pickup and delivery of letters, parcels, and express mail, as well as related postal services. The U.S. Postal Service functions as an independent establishment of the executive branch and provides a variety of mailing, shipping, and logistics solutions to individuals and businesses, playing a vital role in communication and commerce across the nation.
Information Included in your List
Your U S Postal Service mailing list includes:
You can choose to add additional information, if needed. For example:
Quantity of Leads Available
For the latest count of available leads for SIC code 4311 – U S Postal Service, use our live count tool. Counts update in real time and always reflect our most recent data refresh.
How our Business Lists are Compiled: Where the Data comes From
Our business data is compiled from hundreds of public and proprietary sources including federal, state, and local filings, business directories, Secretary of State records, utility connections, and regular direct telephone verification. Records are updated monthly to ensure deliverability.
Deliverability & Accuracy: What to Expect
We guarantee 90%+ mailing address deliverability on all business lists. All addresses are USPS CASS-certified and NCOA-processed. Email addresses are verified and tested before delivery.
Why Businesses Choose LeadsPlease Lists
Why LeadsPlease
- 98% Accuracy Guaranteed
- Triple-verified — Automation + Human Review
- Updated Every Week — 4x Monthly Refresh
- NCOA Verified Addresses
- 25 Free Leads — No Credit Card Required
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- GDPR + CAN-SPAM + CCPA + TCPA Compliant
- 24/7 Phone + Live Chat Support
- Real-Time Email Validation — ZeroBounce
Pricing
Other U S Postal Service Related Businesses
| Industry | SIC Code |
|---|---|
| United States Postal Service | 4311001 |
| Post Offices | 4311002 |
Frequently Asked Questions
SIC code 4311 refers to the United States Postal Service (USPS), the federal organization responsible for the collection, processing, and delivery of mail across the United States and its territories.
Services under SIC code 4311 include the operation of post offices, pickup and delivery of letters and parcels, express mail services, and other related postal and logistical services.
Yes, the United States Postal Service is an independent establishment of the executive branch of the U.S. federal government.
Both individuals and businesses can use the services provided by the USPS, including mailing, shipping, and logistics solutions.
No, SIC code 4311 specifically covers the United States Postal Service and does not include private mail or package delivery companies.
The USPS plays a vital role in U.S. communication and commerce by connecting people and businesses nationwide through reliable mail and package delivery services.
Yes, renting and maintaining post office boxes and related mailbox services are included under SIC code 4311.
Yes, the USPS under SIC code 4311 provides international mail and shipping services in addition to domestic services.
Get Started
Ready to grow your business with a U S Postal Service mailing list? Get started now.
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