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IPODR - California County Profile Report

Imperial County, 2007
ZIP Inventory
Contents Demography Socioeconomics Prenatal Mortality Birth Weight Cesareans
Other Outcomes 2010 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 Imperial 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 Imperial County, 2007
ZIP CodePost Office NameZip Code Type Enclosing ZIP Code
92222 Bard P.O. Box 92283
92227 Brawley Non-unique ZIP
92231 Calexico Non-unique ZIP
92232 Calexico P.O. Box 92231
92233 Calipatria Non-unique ZIP
92243 El Centro Non-unique ZIP
92244 El Centro P.O. Box 92243
92249 Heber Non-unique ZIP
92250 Holtville Non-unique ZIP
92251 Imperial Non-unique ZIP
92257 Niland Non-unique ZIP
92259 Ocotillo P.O. Box
92266 Palo Verde P.O. Box 92283
92273 Seeley P.O. Box 92243
92274 Thermal Non-unique ZIP
92281 Westmorland Non-unique ZIP
92283 Winterhaven Non-unique ZIP
Source: TeleAtlas

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