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Data Axle has built and actively maintains a proprietary set of mailability scores to aid in balancing mailability and quantity. Millions of records, pulled from the Data Axle database, are tested and retested in order to measure the intent, the accuracy, and the impact of this scoring system. We recommend using scores 1 and 2 with most mailing applications, and using code 3 only under measured circumstances. Codes 4 and 5 should not be mailed.

Score 1 - Accurate, Mailable Addresses

These records are DPV™ confirmed and possess the necessary elements for delivery. These should be considered highly deliverable.

• 1A - A new address has been supplied by the NCOALink, SuiteLink or DACOA product uses names when obtaining matches. Informed Addresses are also included in this score.
• 1C - Deliverable as long as the name of the addressee is correct.
• 1D - Removed a Trailing Alpha from the primary Number. Deliverable as long as the name of the addressee is correct.
• 1F - A CMRA (Commercial Mail Receiving Agency)/PBSA(PO Box Street Address Identifier) address that includes a PMB (Private Mail Box) number. Deliverable or forwardable by the CMRA/PBSA as long as the name of the addressee is correct.
• 1H - In a unique ZIP Code or military ZIP Code - in each case, the USPS delivers mail to a central point (a company, a university mail room, a military post office), but final delivery to individual addresses (a specific building, department, or individual) is handled by employees within the organization.

Score 2 - Probably Deliverable

These records are DPV™ confirmed, but may face additional challenges in delivery due to seasonality, drop delivery points, or general delivery situations.

• 2A - Address is deliverable, but non-delivery days have been indicated for receipt of mail.
• 2B - Primary number is confirmed. The secondary number is either missing or does not match. The secondary number is not required.
• 2C - General delivery addresses or a DSF² delivery point drop - final delivery is probably dependent on building manager.
• 2D - High rise address - the primary address (street information) is verified by the DPV product, but secondary data (apartment or suite) is missing or incorrect - the address is NOT within a large building, so it may be deliverable.
• 2E - Address is a CMRA but it does not have a PMB number.
• 2F - This address is a seasonal address or someone who routinely moves between two addresses, such as "snowbirds".
• 2H - Address does not have a ZIP4 code or any postal coding, but it is a known address - this is new construction or renovation that is "new to the file"; current postal files don't yet contain delivery point information (ZIP4 code, carrier route, etc) for this address, so it won't qualify for postal discounts; the address will be coded in subsequent updates, probably within the next 30 days

Score 3 - Might Be Deliverable

Some percentage of these records won't be delivered. If cost is a priority, or if your message is personal or confidential, then you should not mail to these records. Some records will be deliverable, so if you want to expand your mailing universe and can tolerate some risk, you may decide to mail some portion of these records.

• 3B - DPV confirmed high rise address - the primary address (street information) is verified by the DPV product, but secondary data (apartment or suite) is missing or incorrect; the address is within a large building and it may not get delivered without the secondary data
• 3C - DPV confirmed - the address and surname are very similar to a record on the NCOALink database, but differences in either the first name or the middle name prevent a match; therefore, a forwarding address cannot be supplied
• 3F - DPV confirmed - the primary address and name are very similar to a record on the NCOALink database, but some part of the secondary address data did not match; therefore, a forwarding address cannot be supplied
• 3G - This address is obsolete - it has been updated by the LACSLink product, but LACSLink processing is unable to provide the converted address

Score 4 - Probably Undeliverable

Unless you have confirmation that this address is deliverable (i.e. from the addressee or from prior mailings), you should bypass these records.

• 4A - No Secure Location(NSL), package will not be delivered due to security concerns. or Door not accessible (DNA), package will not be delivered due to mail carriers cannot physically get to the residence/building.
• 4B - This address cannot be ZIP4 coded - it has a valid 5-digit ZIP Code and is in a single ZIP city, so there is some possibility that the carrier may be able to determine the delivery address
• 4C - This address cannot be ZIP4 coded - it has a valid 5-digit ZIP Code but is in a multi-ZIP city (or the city type cannot be determined), so it is unlikely that the carrier can determine the delivery address
• 4D - This is an accurate street-and-number address, but a PO Box address is necessary for delivery - this address is not located within a delivery area for a postal carrier; the addressee must receive all mail at a PO Box; postal workers may be unable to deliver mail pieces that do not carry the PO Box address
• 4E - No stat records are addresses that the post office determines are undeliverable as presented.

Score 5 - Undeliverable - Do Not Mail

Suppress these records from mailings and suspend or delete them from mailing databases.

• 5A - The addressee has moved and the record cannot be updated by the NCOALink or DACOA products. The addressee is either a foreign move, box closed, moved and left no forwarding address, or the new address can not be DPV verified.
• 5B - The ZIP Code is missing or invalid - address errors or deficiencies prevent it from getting a correct 5-digit ZIP Code.
• 5C - Identified by the DSF² product as vacant - Note: Not all records identified by the DSF² product as vacant are scored as 5C - if the NCOALink product provides a change of address with an effective date within 4 months, it is assigned 1A
• 5D - Possible physical address that requires a separate PO BOX for delivery.

Note: No USPS product contributed move information in the compilation of Data Axle Change of Address (DACOA).

Data Axle is a non-exclusive licensee of the USPS to provide Full Service NCOALink, LACSLink, SuiteLink, ZIP4 Coding, and DSF²™ processing.