Your Stamps.com $80 Offer

FREE 5lb Digital Scale

As a new Stamps.com customer you will receive a FREE 5 lb. Digital Scale. The scale is a $50 value and is yours to keep with no additional obligation. Just pay for shipping and handling (typically $9.99 or less).

$25 Postage Offer

As a new Stamps.com customer you will receive $5 in free postage that you can use during your trial period. After you complete your trial period, you are eligible for an additional $20 in postage. We will give you two $10 postage coupons. You can redeem one coupon per month once you complete your trial. If you stay with Stamps.com past the trial period, you will be charged $15.99 a month for the Stamps.com service, you can cancel your services at any time.

FREE Supplies Kit

To help you get started we will ship you a free Supplies Kit that includes free postage labels to use with the service (a $5 value). However, you don't need to wait for the Supplies Kit to arrive in order to print postage. You can immediately take advantage of features such as printing shipping labels on plain paper or printing postage directly on envelopes!

USPS Address Cleansing and Verification

What Is Address Cleansing and Verification?

When your shipping labels contain typos, incorrect ZIP codes or non-standard state abbreviations, delivery rates can decline and postage may be wasted if your mail is returned as undeliverable. Address cleansing and verification helps ensure that your delivery addresses are formatted to the U.S. Postal Service's preferred specifications and include only addresses that the USPS delivers to.

One method of address cleansing and verification is accomplished by CASS-certified (Coding Accuracy Support System) software which compares your shipping addresses to the USPS database to help you discover any errors or inconsistencies regarding spelling, ZIP codes or state abbreviations. Much like a spell checker, the cleansing software will suggest an alternative when it finds an error. In addition, if you've only included a five-digit ZIP code, the software will append the correct zip plus 4 so that your address matches the nine-digit ZIP + 4 format.

USPS Address Cleansing and Verification

USPS Address Cleansing click to enlarge

How Address Cleansing and Verification Works

CASS-certified address cleansing and verification software will check your shipping address against the USPS database before printing your shipping label. If there is a needed correction, the software will suggest the USPS-approved address.

Example of Address with Misspellings and Bad Data: The address below contains a couple of misspellings, an improper abbreviation and an incomplete ZIP code:

John Smith
11950 Salam Drive
Granada Hils, Ca 91333

Example of Address After Cleansing and Verification: Once the address has been cleaned using verification software, the address becomes:

John Smith
11950 Salem Dr
Granada Hills CA 91344-2347

Benefits of Address Cleansing and Verification

There are many benefits associated with address cleansing and verification. When you select a CASS-certified software solution, you eliminate postage costs for undeliverable mail and increase customer service through faster delivery. If you are sending a direct mail piece, address cleansing and verification will help more mail get delivered which could improve the response rates and sales for your campaigns.

Stamps.com Automatically Cleanses and Verifies Your Addresses

When you use Stamps.com for your mailing and shipping needs, you don't need to worry about address cleansing; Stamps.com automatically does it for you! Stamps.com is a CASS-certified solution that regularly syncs with the USPS Address Matching Service Database to make sure your customers' addresses are complete, state abbreviations are standardized and ZIP codes are current and complete.

Stamps.com cleanses every address on your mailing list at no extra charge before printing labels or postage. This process ensures your mail will be delivered quickly and correctly without unnecessary expense.

Try Stamps.com for 4 Weeks!

Every new customer account starts with:

  • Free 5 lb. Digital Scale, connects via USB
  • 4-week trial
  • $5 in free postage to use in trial period
  • Free Supplies Kit including postage labels
  • Additional $10 postage coupons to use after trial

*pay only s&h fee

Get Started

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