| If you want to validate or standardize addresses, or determine ZIP + 4® codes, barcode numbers, carrier route numbers, vacancies, or other outputs... | ...you need to buy ZP4 (which includes DPV™) |
| If you want to generate CASS™ form 3553 to document that an address list qualifies for certain postal bulk mail automation discounts... | ...you need to buy LACSLink™ with ZP4 |
| If you want to determine carrier route line of travel numbers, or to presort and print certain categories of postal bulk mail... | ...you need to buy eLOT™ with ZP4 |
| If you want to determine suite information for business addresses... | ...you need to buy SuiteLink™ with ZP4 |
| If you want to determine latitudes and longitudes or Census tract and block numbers for addresses... | ...you need to buy Geo with ZP4 |
| If you want to determine if an address is a residence or a business... | ...you need to buy RDI™ with ZP4 |
| If you want to tally delivery counts at the carrier route level, or if you reprocess addresses with ZP4 and wish to obtain the highest reprocessing speed... | ...you need to buy DirectDPV™ with ZP4 |