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Postal Lookups

Identify delivery type, find the closest alternatives for invalid addresses, and correct city, state or ZIP Code discrepancies

Melissa Data has several Postal Lookups, including Delivery Indicator, Street Search and ZIP Search. Delivery Indicator helps you make informed shipping decisions by identifying the delivery type of an address as either residential or business. Street Search will identify the closest possible alternatives for an invalid address. ZIP Search retrieves cities tied to a ZIP Code™; ZIP codes within a city and state; and perform city searches within a state.

Available As    

Quick Start      

Delivery Indicator
Indicates whether an address represents a business or residential address.
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ZIP Search
ZIP Search retrieves cities tied to a ZIP Code; ZIP codes within a city and state; and perform city searches within a state.
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Street Search
Provides possible alternative street names to resolve vague addresses.
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Delivery Indicator
Delivery Indicator reduces shipping costs by verifying the delivery type of an address as either residential or business. Most shipping companies charge a higher price for residential deliveries. Businesses can use Delivery Indicator data to maximize savings by flagging residential addresses and then shopping for the most cost-effective delivery option. Delivery Indicator is available as a Web service or local API.

Delivery Indicator
Sample Address Key Input Sample Address Key Output
Result: DS02 (Business)

Street Search
Street Search generates street suggestions for undeterminable addresses, helping to reduce undeliverable mail pieces, wasted postage and lost communications. Street Search will match a street name or partial street name against a city and state or ZIP Code. It can also generate suggestions for incorrect or misspelled addresses.

Street Search
Sample Street Search Input Sample Street Search Output
22382 Emp
Rancho Santa Margarita, CA
Range Low: 22300
Range High: 22398
Range Odd/Even: E
Street Name: Empresa
Street Suffix: AVDA
Zip: 92688

ZIP Search
ZIP Search retrieves the city and other geographic information, such as the city’s area code, latitude and longitude coordinates – based off of the ZIP Code.

ZIP Search
Zip Search Sample Input Zip Search Sample Output
City Name: Brea
County Name: Orange
Area Code: 714
Latitude: 33.9226
Longitude: -117.8937

The ZIP in City function returns the ZIP Code of the given city and state, including the county name, area code, and latitude and longitude coordinates.
ZIP Search - Zip In City
Zip In City Search sample Input Zip In City Search Sample  Output
Rancho Santa Margarita, CA
ZIP: 92688
County Name: Orange
Area Code: 949
Latitude: 33.6373
Longitude: -117.6050

If a partial city name is given, ZIP Search can retrieve the full names of cities that might match the city name input within the given state.
ZIP Search - City In State
Zip In City Search  sample Input Zip In City Search Sample  Output
Los Al* 
Record 1: Los Alamitos
Record 2: Los Alamos
Record 3: Los Altos
Record 4: Los Altos Hills

First Name*
Last Name*

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Melissa Data
The leading international provider of data quality and address verification software. Melissa Data's affordable, easy-to-use solutions for data cleaning and deduplication can be used separately or together to provide full global data quality. Melissa Data specializes in Microsoft .NET and SQL Server Integration Services, IBM, Java and Oracle environments with APIs, Web services and enterprise plugins that empower batch and real-time applications. Melissa Data's flagship Contact Zone enables data stewards to quickly create complex data quality and data integration routines with visual programming. Melissa Data also provides a full line of direct marketing solutions including mailing software, list hygiene and data append services, and a comprehensive line of mailing lists and sales leads.