Use DSF2 to check address accuracy, identify address types, and obtain walk sequence numbers.
With over 165 million records, the DSF2 database contains
every deliverable address in the United States, and you can use it to verify
your addresses are correct and complete.
Click here to learn about our automated processing with 2 hour turnaround.
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DSF2 processing also identifies
business versus residential addresses, which you can use to obtain the best parcel shipping rates.
In addition, DSF2 provides walk sequence codes, which allows ordering of mail pieces in the exact order the mail carrier travels. These codes can be used to qualify for the U.S. Postal Service's Enhanced Carrier Route (ECR) Basic, High Density, or Saturation postal discounts.
Use DSF2 to identify
- Deliverable and undeliverable postal addresses
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- Business versus residential addresses
- Commercial mail receiving agencies (CMRA)
- Seasonal addresses
- Addresses vacant for over 90 days
- Address delivery types such as curb, door slot, box, etc.
DSF2 includes
- Delivery Point Validation (DPV)
- Postal coding and delivery/walk sequence numbers
- CASS certification
- Address standardization
- Mailability scores to help you filter your list
| DSF2 Pricing |
| 250,000 – 999,999 |
$1.15 |
| Larger Files |
Call for Quote |
Register here to upload your file for processing.
DSF2 processing is provided by a non-exclusive licensee of the United States Postal Service.
The following trademarks and registrations are owned by the United States Postal Service: NCOALink, DPV, DSF2, USPS, United States Postal Service.
