aaag.com   Business Search Search all U.S. businesses

Oklahoma City, Oklahoma Zip Codes 73101 73102 73103 73104 73105 73106 73107 73108 73109 73110 73111 73112 73113 73114 73115 73116 73118 73119 73120 73121 73122 73123 73124 73125 73126 73127 73128 73129 73130 73131 73132 73134 73136 73137 73139 73140 73141 73142 73143 73144 73145 73146 73147 73148 73149 73150 73151 73152 73154 73155 73156 73157 73159 73160 73162 73163 73164 73165 73167 73169 73170 73172 73173 73177 73179 73180 73184 73185 73189 73190 73193 73194 73195 73196 73197 73198 73199 Prior to the use of zip codes, cities were divided into regions and mail was addressed as Oklahoma City 10, Oklahoma, 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 Oklahoma City's zip code is 7 it is located in the "7" zone that includes the following areas: Arkansas, Louisiana, Oklahoma, and Texas.