Usps
in Field Notes.
8 articles from L5 on usps.
Articles
8 articles.
How USPS Shipping Zones Work (And Why They Determine Your Rate)
USPS zones 1–9 are the single biggest factor in your shipping cost. Here's how they're calculated, why they matter, and how to lower them.
Multi-Carrier vs. Single-Carrier Shipping: Which Saves More?
Single-carrier contracts are the default for mid-market shippers. When multi-carrier actually beats a UPS or FedEx contract, and when it doesn't.
What Is USPS Work-Share? A Deep Dive for Mid-Market Shippers
USPS work-share is the cheapest way to send mail and parcels in the US — but most mid-market shippers have no idea it exists. Here's how it works and when it pays off.
What Is the Intelligent Mail Barcode? A Complete Guide for Businesses
How the USPS Intelligent Mail Barcode (IMb) improves tracking, speeds processing, and unlocks workshare discounts for high-volume business mailers.
How to Track Certified Mail Online and What to Do If It's Delayed
Step-by-step guide to tracking USPS certified mail online, decoding tracking statuses, and resolving delays so important documents arrive on time.
Certified or Registered Mail: What's the Difference and Which One to Use?
Certified vs registered mail compared: features, costs, security, tracking, and use cases to help you pick the right USPS option for important shipments.
What Is Flat Rate Shipping? Pros, Cons, and Cost-Saving Benefits
Flat rate shipping explained: how USPS, UPS, and FedEx flat rate boxes work, when to use them, and how predictable pricing can save businesses money.
How to Send Certified Mail: Tips for Secure and Reliable Delivery
A practical guide to sending certified mail: how it works, common mistakes to avoid, key benefits, and how to streamline the process for businesses.