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	CASS/DPV Software: All-inclusive mail automation solution integrating your mailroom with the fastest, most economical, most reliable postal service. Interactive Component Diagram Topics: USPS Address Certification - CASS Certification Address Validation Software - Lookup Postal Rationale: Verify Street Address Quality - Delivery Point Validation - Address Correction - Return Mail

USPS Address Lookup - Postal Address Code - CASS Certification

The painter USPS address lookup provides Windows standard intuitive comprehensive access to current USPS address data using tab pages and data windows controlled by USPS address element clue fields. Data windows are presented in USPS address hierarchical order navigating the shortest path to CASS certification and DPV validation of the one correct delivery point valid recipient address.

USPS Address Lookup/Postal Code Lookup Method

Cumulative USPS address context is built starting with city lookup, postal state code and optionally postal ZIP-code lookup. Phonetic and wildcard inexact clue searches are shortcuts that not only reduce keystrokes but make it possible to find addresses that could not otherwise be resolved.

Live Field USPS Address Lookup

Postal city lookup, postal state-code lookup and ZIP-code lookup clue fields are live meaning that every keystroke updates the city, state-code or postal ZIP-code candidate list. City lookup allows the use of wildcards.

Phonetic Lookup

The painter uses multiple phonetic matching algorithms and performs name or token-based searches for street lookup and high-rise firm lookup. Within the city context of "HOUSTON TX", the street lookup clue "SPNSH" provides five street candidates based on a phonetic match with "SPANISH" including the street "OLD SPANISH TRAIL".

RDBMS Dynamic SQL

Relational technology and dynamic SQL permit candidate address lookup based on complex cumulative user criteria. For example, finding high-rise candidates given 1) a list of ZIP-codes implied by city/state-code, 2) a street list resulting from an inexact phonetic street clue and 3) a known apartment or suite number is only possible by building SQL dynamically including all available address clues

USPS Address Lookup Context

Each address lookup clue contributes to cumulative postal address context eliminating candidates until only one USPS CASS certified DPV delivery point validated address remains.

USPS Address Lookup Element Windows

The painter provides USPS address lookup data windows listing candidate rows and attributes that have not been eliminated by address context and address clue fields. Data windows are presented in address hierarchical order navigating the shortest path to CASS certification and DPV validation of the one correct recipient address. Listed below are painter address element windows and how candidates are selected.

State Code Lookup: State-code lookup uses a live state-code lookup clue field or is implied by setting the ZIP-code lookup clue.
City Lookup: Postal city candidates are based on state-code context and use a live city lookup clue field or are implied by setting the ZIP-code lookup clue.
ZIP code Lookup: Postal ZIP-code lookup uses a live ZIP-code lookup clue field. City and state-code can be skipped by setting the ZIP-code. Setting the city and state-code fields implies a ZIP-code list.
Urbanization Lookup (Puerto Rico): In Puerto Rico urbanization candidates are established by the city and/or ZIP-code context and further reduced using the live urbanization clue field.
Street Lookup: Street candidates are established by city/state code and/or ZIP-code lookup context and by literal or phonetic street lookup clue.
High-rise/Firm Lookup: High-rise and firm candidates are established by city/state-code and/or ZIP-code lookup context and usually street and door number context. Incomplete Puerto Rico building addresses without street name or door number can be corrected with city and/or ZIP-code context plus literal or phonetic high-rise/firm lookup clues establishing a complete USPS postal address.
RR/HC Rural Route Lookup: Rural route candidates are established by city/state-code and/or ZIP-code lookup context and live rural route lookup clue fields.