How many zip codes are currently in use in the United States?

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43,191 ... maybe 44,000+/- The ZIP code database contains 43191 ZIP codes for the continetal United States, Alaska, Hawaii, Puerto Rico, and American Samoa. The database is in mysql database dump format, with columns for ZIP code, city, state, latitude, longitude, timezone (offset from GMT), and daylight savings time flag (1 if DST is observed in this ZIP code and 0 if not). This database was composed using ZIP code gazetteers from the US Census Bureau from 1999 and 2000, augmented with additional ZIP code information from the Census Bureau's TIGER/Line 2003 data set. Timezone information was added using cartographic data sets from nationalatlas.gov. The database is garunteed to exclusively contain information gathered from sources in the public domain, and thus be legal to redistribute. The database is believed to contain over 98% of the ZIP Codes in current use in the United States. The remaining ZIP Codes absent from this database are entirely PO Box or Firm ZIP codes added in the last five years, which are no longer published by the Census Bureau, but in any event serve a very small minority of the population (probably on the order of .1% or less). Although every attempt has been made to filter them out, this data set may contain up to .5% false positives, that is, ZIP codes that do not exist or are no longer in use but are included due to erroneous data sources. http://civicspacelabs.org/home/zipcodedb There's text file here, free download, which lists them all. Too many to count! http://www.cfdynamics.com/cfdynamics/zipbase/index.cfm Mar 18 06, 1:21 PM

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The census bureau has 33,233 zip codes listed. Mar 18 06, 2:21 PM

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Which zip code in the United States has the most registered motorcycles? How many area codes are currently being used in the United States? What does the 'zip' stand for in zip code? What does the "zip" in zip code stand for?

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