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Nashville, Tennessee Zip Codes 37201 37202 37203 37204 37205 37206 37207 37208 37210 37211 37212 37213 37214 37215 37216 37217 37219 37220 37221 37222 37224 37227 37228 37229 37232 37234 37235 37236 37237 37238 37239 37240 37242 37243 37244 37245 37246 37247 37248 37249 37250 Prior to the use of zip codes, cities were divided into regions and mail was addressed as Nashville 10, Tennessee, 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 Nashville's zip code is 3 it is located in the "3" zone that includes the following areas: Alabama, Florida, Georgia, Mississippi, and Tennessee.