DSF2® Codes

DSF2 Delivery Type

The Delivery Type Code categorizes (i.e. residential, business, etc.) and describes the type of delivery services associated with the address.

  • B = Business
  • R = Residential
  • G = General delivery
  • U = Undetermined
  • Blank = Non-match to DSF2


DSF2 Footnotes

DSF_AA DSF_F DSF_M3
DSF_A1 DSF_G DSF_N1
DSF_BB DSF_H DSF_N2
DSF_B1 DSF_J DSF_P1
DSF_B2 DSF_K DSF_P2
DSF_B3 DSF_K1 DSF_Q1
DSF_CC DSF_K2 DSF_Q2
DSF_D DSF_L DSF Score
DSF_E DSF_M2  


DSF_AA
Matched to the ZIP + 4® File.

DSF_A1
Not matched to the ZIP + 4 File.

DSF_BB
Matched to the DSF2 File.

DSF_B1
No acceptable match made to the DSF2 File.

DSF_B2
Alias street name matched to base street name on DSF2.

DSF_B3
A match was made to an alternate record on the DSF2 File.

DSF_CC
Matched to the DSF2 file, but address is missing or contains invalid secondary address information.

DSF_D
Corrected city and/or state.

DSF_E
Corrected primary address.

DSF_F
Corrected secondary address data.

DSF_G
Delivery Point Vacant

DSF_H
ZIP Code™ changed

DSF_J
Failure to match last line of address.

DSF_K
Multiple match in primary address field.

DSF_K1
Multiple match due to missing or incorrect directional(s).

DSF_K2
Multiple match due to missing or incorrect suffix.

DSF_L
Multiple match in secondary address.

DSF_M2
Address not found.

DSF_M3
No such primary number.

DSF_N1
Missing secondary address number for an address located within a highrise.

DSF_N2
Secondary number not found.

DSF_P1
Missing rural route or highway contract box number.

DSF_P2
Rural route or highway contract box number not found.

DSF_Q1
Missing PO Box number.

DSF_Q2
PO Box number not found.

DSF Score
Mail Score - Currently a score of 5 is not returned.

1. Address matched to the DSF2 file
2. Address marked as a seasonal address
3. Primary address matched the DSF2 file. However, the secondary address did not match to the DSF2 file. This address may or may not be deliverable.
4. Address did not match the DSF2 file. Primary information is missing or invalid and prevented a direct match to the DSF2 file. Record may be undeliverable.
5. Not currently returned
6. Address marked as being vacant for 90 or more days. Address information is accurate but is undeliverable.
7. Address has serious problems that prevent a match to DSF2 and ZIP + 4 files Address fields may be incomplete, or contain junk data