Simplify your mailing and shipping contact management
Stop typing addresses manually and eliminate costly shipping errors. Access all your shipping contacts in one CRM to simplify your daily workflow, improve customer experience, and make mailing and shipping logistics effortless. No custom tools. No messy spreadsheets. Simply upload or sync your contacts to a single, organized database and turn repetitive data entry into a simple process.
Fewer clicks, faster shipping and mailing
Streamline repeat shipments, ensure address accuracy in real time, and help your team stay on the same page for a smoother, more reliable delivery experience every time.
Reduce risks and costs
For anyone who sends mail repeatedly, manual typing is slow and prone to mistakes. By selecting from a pre-populated, verified list, you guarantee the correct address every time, reducing the risk and cost of lost packages.
Streamline multi-recipients
Pull saved recipients the moment you create envelopes or labels, then generate the mail piece without retyping details. Create custom groups and select all recipients with a single click, saving significant time when you send.
Save addresses automatically
Treat your address book like a lightweight CRM software. You can automatically add contacts to your address book whenever you type them for a shipment, import them in bulk from a CSV file, or add contacts from your phone.
Contact tools built for speed
The Stamps.com address book helps you maintain a single, organized database of all your contacts — from customers and suppliers to friends and family — so you never have to dig through old records or rely on memory. Using trusted, pre-saved, and verified addresses ensures your mail is delivered correctly the first time, providing a seamless workflow and allowing you to focus entirely on your business instead of tedious administrative tasks.
Light CRM power without the bloat
Add, edit, and manage new and existing contacts easily and use your address book as a practical CRM tool that helps you practice better customer relationship management without weighing you or your team down.
Effortless contact imports
Easily bulk import all your contacts from a CSV or other compatible file formats. Recipient addresses are automatically saved from past shipments for future use.
Create contact groups
Create and manage custom contact groups to manage contacts connected to the same project, client account, and even family members and friends. Save time finding who to send to, or sending to multiple recipients at once.
Speed up mailing and shipping
Open Contacts, pick a recipient, and quickly print NetStamps, envelopes, or labels directly from that record. No tab hopping, no duplicate entry, just fast label creation that keeps packages moving. Ideal for repeat shipments and multi-location organizations.
“Send to Contact” for instant label prep
From a contact’s details, tap Send to Contact to jump straight into creating postage and labels. This reduces clicks and helps teams hit same day cutoffs without rushing, improving both internal SLAs and customer experience.
A user friendly interface your team will actually use
Simple controls, clear labels, and intuitive flows mean faster onboarding and fewer mistakes. That ease brings order to complex management software and encourages teams to keep contact records fresh.
Built for teams and scale
Whether you ship from one location or many, shared contact records help teams collaborate to keep records up to date, make fewer mistakes when printing postage and labels, and better manage items sent and delivered.
Clean up in a click when details change
Outgrown a record, or need to remove duplicates? Delete in the Contact Details screen and keep your lists lean. Cleaner lists mean faster searches during peak hours and fewer manual checks.
Does your business have multiple office locations?
Whether you have two locations or thousands, we partner with businesses and government agencies to help them stop overpaying and overcomplicating their mailing and shipping needs.
Fill the form to contact our team so that we can set up a multi-location Stamps.com account for your business.
Talk to one of our experts
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Need mailing and shipping supplies?
Find everything you need – from NetStamps to Certified Mail labels, any kind of envelope and bubble mailer, digital postal scales and printers, and even FREE USPS supplies and Stamps.com merch. All in one place with flexible payment options and subscriptions so you never run out of mailing and shipping supplies.
Frequently asked questions about shipping address verification
What exactly does “address verification” do in Stamps.com?rn
u003cspan style=u0022font-weight: 400;u0022u003eIt compares each destination to the USPS Address Matching Service using CASS-certified software, flags issues like misspellings or bad ZIP codes, and suggests the USPS-approved version before you print a label.u003c/spanu003e
How does ZIP+4 improve deliverability?
u003cspan style=u0022font-weight: 400;u0022u003eIf you only have a five-digit ZIP, we append the correct ZIP+4 and standardize street and state formats so labels scan cleanly and sort faster through USPS operations—helping packages move without exceptions.u003c/spanu003e
Is this built in, or do I need a separate tool?rn
u003cspan style=u0022font-weight: 400;u0022u003eIt’s built into Stamps.com. Addresses are cleansed and verified automatically before labels or postage print—no extra software to manage.u003c/spanu003e
Does it cost extra to cleanse my address list?rn
u003cspan style=u0022font-weight: 400;u0022u003eNo. Stamps.com cleanses every address on your list at no additional charge as part of the label creation process.u003c/spanu003e
How current is the USPS data you use?rn
u003cspan style=u0022font-weight: 400;u0022u003eStamps.com regularly syncs with the USPS Address Matching Service Database so your labels reflect the most current, deliverable information available.u003c/spanu003e
What happens if an address can’t be verified?rn
u003cspan style=u0022font-weight: 400;u0022u003eWhen the software detects an issue, it offers the USPS-approved alternative—much like a spell checker—so you can correct and print with confidence.u003c/spanu003e
Can this reduce returns and wasted postage?
u003cspan style=u0022font-weight: 400;u0022u003eYes. By catching typos, non-standard abbreviations, and incorrect ZIP codes before printing, you can prevent undeliverables, avoid postage waste, and improve on-time delivery.u003c/spanu003e
Is “address cleansing” the same as “address verification”?rn
u003cspan style=u0022font-weight: 400;u0022u003eThey work together. CASS-certified cleansing and verification standardize formatting and confirm deliverability against USPS data, ensuring addresses meet USPS-preferred specs.u003c/spanu003e
Do you standardize the address format on my labels?
u003cspan style=u0022font-weight: 400;u0022u003eYes. Abbreviations are normalized to USPS standards and labels are formatted consistently for machine readability and faster routing.u003c/spanu003e
Will this help my direct mail or marketing campaigns?
u003cspan style=u0022font-weight: 400;u0022u003eStandardized, verified addresses help more mail get delivered, which can improve response rates and customer experience by speeding delivery.u003c/spanu003e