10 - Invalid Address
11 - Invalid City/State/ZIP
12 - Invalid State
13 - Invalid City
17 - Insufficient Data
21 – Address Not Found - A match, or close match, for the data in the delivery address field could not be found in the National Database within the ZIP Code or city and state entered.
- The street number or unit number is out of range.
- The street name was not found. The encoding process corrects many misspelled street names but some misspellings will not be identified as matches. In general, the encoding process tends to ignore vowels, but is more sensitive to consonants.
- The pre directional or post directional was incorrect.
- Some occurrences of multiple words can cause an address not to be found. If the actual street name is Greenview and it was entered as Green View it may not be found in the database. Similarly, if the actual address was Green View and it was entered as Greenview it may not be found.
- Sometimes abbreviated street names will not be found in the database. For example, MLK Drive may not be recognized as Martin Luther King, Jr Drive. - Non-address information is included in the delivery address.
22 – Multiple Responses - The delivery address was found in the National Database but there were multiple occurrences of the address because of a missing address element.
- The street number was missing.
- A required pre directional or post directional was missing. For example, the delivery address was entered as 113 Maple St. and there were actual addresses at 113 N Maple St. and 113 S Maple St.
- The suffix was missing and there were multiple addresses with the same name. For example, the delivery address was entered as 113 Maple and there were entries in the National Database for 113 Maple St and 113 Maple Dr
23 - Error in Primary Address (Not a valid Forwarding Address given at post office)
26 – Box closed
27 – No forwarding address
31 - Bad address per USPS
32 - These records are missing a suite or apartment information. They may or may not be deliverable. (Depending on the value or use of your list, these addresses probably should be mailed. You may find it worthwhile to do the individual corrections.)
33 - Non-Deliverable
98 - Non USPS Zip
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