Business & Logistics

1

Shipping Zones: How Carriers Price by ZIP Code

USPS, UPS, and FedEx calculate shipping costs based on origin-destination ZIP code zones. Here's how zones work.

2

Sales Tax Lookup by ZIP Code

Sales tax rates vary by state, county, city, and special district. ZIP codes provide a starting point — but not the full answer.

3

Direct Mail Marketing and ZIP Code Targeting

Direct mail campaigns use ZIP code demographics to target audiences with precision. Here's how modern mail targeting works.

4

The USPS Network: From Local to National

The USPS operates 230,000+ vehicles, 31,000+ post offices, and hundreds of processing facilities. Here's how the network is organized by ZIP code.

5

Insurance Rating by ZIP Code

Auto, home, and health insurance rates all vary by ZIP code. Learn what factors drive these differences.

6

Real Estate and ZIP Code Valuation

ZIP codes are the most common geographic unit for real estate analysis. Here's how they shape property markets.

7

ZIP Code Data for Market Research

From site selection to customer segmentation, ZIP codes are the building blocks of geographic market research.

8

Bulk Mail and Postal Discounts by ZIP

USPS offers steep discounts for presorted bulk mail. Understanding ZIP-based sorting requirements can save mailers 30-50%.