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IPODR - California County Profile Report

Napa County, 2010
ZIP Inventory
Contents Demography Socioeconomics Prenatal Mortality Birth Weight Cesareans
Other Outcomes 2020 Objectives by ZIP Other Risk Factors and Outcomes by ZIP ZIP Inventory
Contents of This Page
1. Introduction
2. ZIP Inventory Table
Introduction
ZIP codes are used by the US Postal Service to identify an area where mail is delivered. The use of the ZIP code in small area analyses is widespread despite its limitations. The limitations include foremost the non-homogeneity of the ZIP code unit with respect to geographical size and with respect to population size. For instance, California wide in the year 2000, the number of births in ZIP codes ranged from 0 to 2745 with a mean of 246 births and a standard deviation of 368 births.
The obvious advantage of using the ZIP code as the unit of analysis is its wide availability: ZIP code information can be easily collected compared to information on census block group. The wide availability of ZIP code level data allows the combining of ZIP code level information from different databases.
The table below lists all ZIP codes for Napa County that were included in the most recent list of available ZIP codes. The listing as well as the map coordinate files for the maps included in this report were based on data products that were obtained from the TeleAtlas company.
Among the USPS ZIP codes, not all have a physical service area. Point ZIP codes pertaining to a unique ZIP code (ZIP codes pertaining to a single site, building, organization) or P.O. Box cannot be associated with a physical area on a map. For the purposes of this report any counts in point ZIP are included in the counts for the enclosing ZIP. For each point ZIP, the enclosing ZIP is listed in the table below.
ZIP Inventory Table
ZIP Code Inventory for Napa County, 2010
ZIP CodePost Office NameZip Code Type Enclosing ZIP Code
94503 American Canyon NON-UNIQUE ZIP
94508 Angwin NON-UNIQUE ZIP
94515 Calistoga NON-UNIQUE ZIP
94558 Napa NON-UNIQUE ZIP
94559 Napa NON-UNIQUE ZIP
94562 Oakville PO BOX ZIP 94574
94567 Pope Valley NON-UNIQUE ZIP
94573 Rutherford PO BOX ZIP 94574
94574 Saint Helena NON-UNIQUE ZIP
94576 Deer Park NON-UNIQUE ZIP
94581 Napa PO BOX ZIP 94558
94599 Yountville NON-UNIQUE ZIP
95404 Santa Rosa NON-UNIQUE ZIP
95461 Middletown NON-UNIQUE ZIP
95476 Sonoma NON-UNIQUE ZIP
95688 Vacaville NON-UNIQUE ZIP
Source: TeleAtlas

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