Pubblicato il 15/06/2026

Shipping labels: What they are, how they work, and how to create them

Understand what shipping labels are, how they work, and how to create accurate labels that help packages move smoothly through the delivery process.
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Whether you are a small business owner sending your first product or an enterprise manager handling thousands of shipments daily, the shipping label is the critical bridge between your warehouse and the customer’s doorstep. Understanding how these labels function and how to optimize their creation is essential for reducing costs and ensuring a seamless delivery experience.

Table of Contents

 

What is a Shipping Label?

The “Passport” of a Package

A shipping label is more than just a sticker with an address; it is a complex “passport” that dictates the journey of your package through the global logistics network. It contains all the routing instructions, service level requirements, and identification data needed for a carrier like the USPS, FedEx, or UPS to move an item from origin to destination. Without a standardized label, a package is essentially blind to the carrier’s automated sorting systems, leading to delays, manual intervention, and potential loss.

While a handwritten address might reach a destination via a local courier, it lacks the digital infrastructure required by modern logistics giants. Carriers utilize sophisticated automated sorting systems that rely on high-speed scanners. If a label is not machine-readable, it must be diverted for manual processing, which slows down the entire fulfillment pipeline and increases the likelihood of human error. Using professional, computer-generated labels ensures your package is compatible with the “first mile” pickup scan all the way to the final mile delivery.

The Anatomy of a Shipping Label: Breaking Down the Components

Sender and Recipient Information

Every label must clearly display the sender’s return address and the recipient’s delivery address. Modern label software performs Address Verification (AV) during the label creation process, ensuring the inclusion of accurate ZIP codes. This extra data allows the carrier to pinpoint the exact neighborhood and mail route, significantly increasing the probability of on-time arrival.

Service Level Indicators (Standard, Express, Next Day Delivery etc.)

The label clearly identifies the class of service purchased, such as standard delivery, express shipping, or next-day delivery. This data determines the priority handling the package receives within the carrier’s network. These indicators alert sorting facility equipment to route the package appropriately, ensuring it meets the delivery timeframes expected by the customer.

The Tracking Number and Barcode

The barcode is the most vital element of the shipping label. It acts as a visual representation of the tracking number, which is a unique alphanumeric string assigned to every shipment. Once the barcode is scanned at the Post Office or a regional hub, the logistics system updates the tracking status. This allows both the shipper and the customer to monitor the progress of the package in real-time.

Technical Metadata: IMpb, IMmb, and Routing Codes

Behind the human-readable text lies a wealth of technical metadata. The Intelligent Mail package barcode (IMpb) is the industry standard that tracks pieces at every node in the delivery network. Routing codes, often embedded within the barcode, tell the automated systems exactly which regional sorting center and local facility should process the package, streamlining operations significantly.

Understanding the Parcel Labeling Guide Requirements

Carriers have strict requirements for label placement and clarity. Labels must be placed on the largest, flattest side of the box and must not be wrapped over edges, as scanners cannot read barcodes on corners or folds. Adhering to these guides prevents the package from being rejected or delayed during the fulfillment phase.

Most common shipping labelling errors

 

 

How Shipping Labels Work Within the Logistics Network

From Pickup to Final Mile

The lifecycle of a label begins at the point of creation, where the data is transmitted to the carrier’s digital network. When the carrier picks up the package, the initial scan confirms it has entered the system. Subsequent scans at sorting facilities update the status until the package arrives at the local terminal for final delivery.

Data Exchange: Electronic Verification Systems (eVS) and AS2 Interfaces

Large-scale shippers use Electronic Verification Systems (eVS) to transmit manifest data directly to carriers. This high-level data exchange allows the carrier to prepare for incoming volume before the packages even arrive, which is a critical efficiency driver for high-volume fulfillment operations.

How Information Syncs with Tracking Updates for the Customer

Once a label is scanned, the logistics server pushes an update to the carrier’s website and, often, to an automated email system. This trigger keeps the customer informed, reducing “where is my order” (WISMO) support inquiries and increasing trust in your brand.

Hardware Guide: Choosing the Right Label Printer

Home and Small-Scale Printing: Using Standard Inkjet or Laser Printers

Printing labels on standard printers is possible but inefficient. It requires purchasing adhesive label sheets and manual cutting or taping. This “tape-on” approach is prone to barcode smudging and peeling, which can compromise the readability of your labels.

Scaling Up: The Benefits of a Thermal Label Printer

Thermal label printers are the gold standard for e-commerce. They use heat-sensitive paper rather than ink or toner, meaning you never have to worry about replacing expensive cartridges. They provide a massive ROI by increasing speed and label durability.

Understanding Shipping Costs and Postage Calculation

Factors Influencing Label Cost: Package Weight and Dimensions

Carrier pricing is a function of weight, size, and distance. Every inch matters. By accurately measuring and weighing your packages, you prevent “postage due” issues that irritate customers and add administrative burden to your business.

Dimensional Weight vs. Actual Weight

Dimensional (DIM) weight is the amount of space a package occupies in a truck. If a box is large but lightweight, carriers charge based on its volume rather than its actual weight. Efficient packaging is the best way to keep your label costs down.

Retail Rates vs. Commercial Rates: How to Save on Every Shipment

The most critical takeaway for any seller is the difference between Retail and Commercial rates. Retail rates are what you pay at the Post Office counter. Commercial rates, accessed through shipping platforms, are significantly lower because you are bypassing the retail service labor. Using software to access these discounted rates is the single most effective way to lower your fulfillment expenses.

Best Practices for Fulfillment and Label Placement

Efficiency in the warehouse is driven by preparation. Always ensure your labels are generated in a standardized format, usually 4×6 inches, which is the industry standard for thermal printers. Properly placing the label on the largest surface, avoiding seams, and ensuring the surface is clean will prevent scanning issues.

Furthermore, consider the “return shipping label.” Providing a return label in the package or via email is a powerful customer retention tool. It simplifies the post-purchase experience and turns a potential point of friction into a demonstration of excellent service. By integrating these strategies, you move from basic shipping to professional logistics management.

How to Create and Generate Shipping Labels

Manual Label Creation via Carrier Websites (FedEx, UPS)

For low-volume shippers, carrier websites offer direct tools. While free and reliable, this method is labor-intensive because it requires manual entry of address data for every single order.

Automatic Address Validation

 

Automated Shipping Tools for E-commerce

Automated tools integrate directly with your shopping cart. They pull order information, calculate shipping costs, and create shipping labels automatically, triggering confirmation emails to the customer with their tracking number instantly. For large-scale retailers, direct API integration allows the warehouse management system to “talk” directly to the carrier’s servers. This removes the need for manual platform use entirely, creating a frictionless fulfillment flow that can scale with demand.

When an e-commerce brand starts growing, logistics often becomes one of the first areas to feel the pressure. More orders mean more products to prepare, more shipments to coordinate, more returns to manage, and less room for error. Every order needs accurate delivery details, the right carrier, the correct shipping service, and a label ready at the right moment.

What may work at the beginning, like handling orders manually, preparing packages internally, and managing carriers separately, can quickly become inefficient as volumes increase. Delays, incorrect shipments, and time-consuming operational tasks can all affect both customer satisfaction and business performance.

A structured fulfillment solution helps merchants move beyond manual processes and build a logistics workflow that can grow with the business.

With eLogy, online brands can simplify their operations by managing key fulfillment activities through a single logistics partner. From storage and order preparation to shipping and returns, eLogy supports merchants in creating a smoother and more scalable post-purchase experience.

Here’s how eLogy can support e-commerce growth:

  • 360° view Dashboard: Integrated logistics management.  Monitor shipments and inventory in real time with advanced reports and visibility through every stage of the order fulfillment process.
  • Automatically Generate Shipping Documents
    An AI-driven software that orchestrates shipments, generates shipping labels, validates addresses, manages returns, and optimizes orders — with no errors and no waste.
  • SmartShip™ AI: eLogy’s algorithm automatically selects the best-performing carrier for a specific zip code and package type in real-time.
  • Real-Time Data Integrity: eLogy bridges the “Information Gap” by ensuring tracking updates move faster than the package, neutralizing WISMO before it starts.
  • Strategic Fulfillment: With warehouses across Europe, eLogy keeps your stock closer to customers, reducing the tracking timeline.
  • Integrated Communication: eLogy has built-in WhatsApp and Call Center workflows. 
  • Proactive “Push” Notifications: send automatic notifications via Email and WhatsApp. By telling the customer where the package is before they feel the need to ask, you eliminate the ticket before it’s born.

Ready to automate your post-purchase journey and reclaim your support team’s time?

eLogy helps turn logistics from a time-consuming challenge into a scalable part of the business, supporting merchants as they grow and improve the customer experience after every order.

 
 

FAQs: Shipping Labels

1. What is a shipping label?

A shipping label is a standardized label that contains the information carriers need to move a package from the sender to the recipient. It includes addresses, tracking data, service level, routing instructions, and barcodes.

2. Why is a shipping label important?

A shipping label allows carriers like USPS, FedEx, UPS, or other logistics providers to scan, route, track, and deliver a package efficiently. Without a proper label, packages may be delayed, manually processed, or lost.

3. What information is included on a shipping label?

A shipping label usually includes the sender’s address, recipient’s address, tracking number, barcode, service level, routing codes, and technical data used by carrier systems.

4. What is the most important part of a shipping label?

The barcode is one of the most important parts because it allows carriers to scan and track the package throughout the delivery process.

5. Where should a shipping label be placed on a package?

The label should be placed on the largest, flattest side of the package. It should not be placed over edges, seams, corners, or folds because this can prevent scanners from reading the barcode.

6. Can I print shipping labels with a normal printer?

Yes. Shipping labels can be printed with a standard inkjet or laser printer, but this is less efficient and may require adhesive sheets, cutting, or taping. Thermal label printers are better for regular or high-volume shipping.

7. Why are thermal label printers useful for e-commerce businesses?

Thermal printers are faster, more durable, and do not require ink or toner. They are especially useful for businesses that ship many orders and need a reliable label-printing process.

8. What affects the cost of a shipping label?

Shipping label cost depends on factors such as package weight, dimensions, destination, delivery speed, and whether the shipment is priced by actual weight or dimensional weight.

9. How can businesses save money on shipping labels?

Businesses can save money by using shipping platforms that provide access to commercial rates, choosing efficient packaging, weighing packages accurately, and automating label creation.

Join eLogy to
support your sales

Start automating your logistics processes today by joining hundreds of digital entrepreneurs from all over Europe.

SHARE ON

Join eLogy to support your sales

Start automating your logistics processes today by joining hundreds of digital entrepreneurs from all over Europe.