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Jacksonville, Florida Zip Codes 32099 32201 32202 32203 32204 32205 32206 32207 32208 32209 32210 32212 32214 32215 32216 32217 32218 32219 32220 32221 32222 32223 32225 32226 32227 32228 32229 32230 32231 32232 32233 32234 32235 32237 32238 32239 32240 32241 32244 32245 32246 32247 32250 32254 32256 32257 32258 32259 32260 32266 32267 32276 32277 32290 Prior to the use of zip codes, cities were divided into regions and mail was addressed as Jacksonville 10, Florida, for example, to show which region of the city the mail was intended for. As cities continued to grow this system was not sufficient and was replaced by the Zip Code. ZipCodes went into effect in 1963. The United States Postal Service (USPS) initially used a cartoon character Mr. Zip to promote the use of zip codes. In 1983 the zipcode added the last four digits in an attempt to more narrowly define an address. The first three digits of a zip code indicate the sectional center facility which will ultimately sort and distribute that piece of mail. All mail to that 5 digit zipcode will first arrive at the sectional center facility then after sorting continue along to its exact destination. Since the first digit of Jacksonville's zip code is 3 it is located in the "3" zone that includes the following areas: Alabama, Florida, Georgia, Mississippi, and Tennessee.