Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/731

ZIP codes starting with 731

ZIP codes
76
States
OK
Largest city
Oklahoma City, OK
Population
697,372

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 731xx

ZIP codes starting with 731
ZIP City Type Population Median income Median home
73101 Oklahoma City , OK No street area — — —
73102 Oklahoma City , OK Standard 3,812 $59,338 $436,500
73103 Oklahoma City , OK Standard 5,486 $54,561 $441,500
73104 Oklahoma City , OK Standard 3,692 $66,042 $408,100
73105 Oklahoma City , OK Standard 5,900 $50,102 $162,000
73106 Oklahoma City , OK Standard 12,140 $60,205 $301,900
73107 Oklahoma City , OK Standard 25,791 $56,873 $159,300
73108 Oklahoma City , OK Standard 14,919 $37,168 $80,700
73109 Oklahoma City , OK Standard 21,378 $43,133 $99,200
73110 Oklahoma City , OK Standard 32,348 $51,228 $126,100
73111 Oklahoma City , OK Standard 10,727 $40,340 $120,700
73112 Oklahoma City , OK Standard 30,372 $58,419 $196,400
73113 Oklahoma City , OK No street area — — —
73114 Oklahoma City , OK Standard 17,656 $54,936 $156,700
73115 Oklahoma City , OK Standard 20,225 $46,810 $123,000
73116 Oklahoma City , OK Standard 10,211 $81,226 $321,600
73117 Oklahoma City , OK Standard 6,225 $23,413 $153,600
73118 Oklahoma City , OK Standard 14,262 $69,827 $249,200
73119 Oklahoma City , OK Standard 30,398 $45,421 $100,600
73120 Oklahoma City , OK Standard 35,559 $64,745 $238,000
73121 Oklahoma City , OK Standard 3,075 $80,030 $257,400
73122 Oklahoma City , OK Standard 12,635 $51,227 $172,100
73123 Oklahoma City , OK No street area — — —
73124 Oklahoma City , OK No street area — — —
73125 Oklahoma City , OK No street area — — —
73126 Oklahoma City , OK No street area — — —
73127 Oklahoma City , OK Standard 25,865 $44,925 $156,700
73128 Oklahoma City , OK Standard 6,281 $74,241 $194,100
73129 Oklahoma City , OK Standard 20,014 $46,670 $84,700
73130 Oklahoma City , OK Standard 21,476 $71,189 $207,200
73131 Oklahoma City , OK Standard 3,845 $137,849 $343,300
73132 Oklahoma City , OK Standard 27,834 $60,419 $213,500
73134 Oklahoma City , OK Standard 7,522 $66,307 $228,300
73135 Oklahoma City , OK Standard 22,022 $63,478 $175,700
73136 Oklahoma City , OK No street area — — —
73137 Oklahoma City , OK No street area — — —
73139 Oklahoma City , OK Standard 17,920 $49,655 $176,400
73140 Oklahoma City , OK No street area — — —
73141 Oklahoma City , OK Standard 3,562 $58,670 $141,100
73142 Oklahoma City , OK Standard 17,548 $81,818 $364,300
73143 Oklahoma City , OK No street area — — —
73144 Oklahoma City , OK No street area — — —
73145 Oklahoma City , OK Standard 3,612 $64,856 —
73146 Oklahoma City , OK No street area — — —
73147 Oklahoma City , OK No street area — — —
73148 Oklahoma City , OK No street area — — —
73149 Oklahoma City , OK Standard 6,031 $53,317 $128,100
73150 Oklahoma City , OK Standard 5,688 $92,318 $313,500
73151 Oklahoma City , OK Standard 2,254 $147,250 $667,000
73152 Oklahoma City , OK No street area — — —
73153 Oklahoma City , OK No street area — — —
73154 Oklahoma City , OK No street area — — —
73155 Oklahoma City , OK No street area — — —
73156 Oklahoma City , OK No street area — — —
73157 Oklahoma City , OK No street area — — —
73159 Oklahoma City , OK Standard 31,447 $54,642 $159,200
73160 Oklahoma City , OK Standard 62,690 $79,491 $203,000
73162 Oklahoma City , OK Standard 28,728 $88,031 $254,900
73163 Oklahoma City , OK No street area — — —
73164 Oklahoma City , OK No street area — — —
73165 Oklahoma City , OK Standard 8,357 $125,434 $325,600
73167 Oklahoma City , OK No street area — — —
73169 Oklahoma City , OK Standard 3,095 $81,314 $267,800
73170 Oklahoma City , OK Standard 41,458 $94,688 $264,300
73172 Oklahoma City , OK No street area — — —
73173 Oklahoma City , OK Standard 4,780 $143,864 $360,600
73175 Oklahoma City , OK No street area — — —
73178 Oklahoma City , OK No street area — — —
73179 Oklahoma City , OK Standard 8,532 $112,656 $274,700
73184 Oklahoma City , OK No street area — — —
73185 Oklahoma City , OK No street area — — —
73189 Oklahoma City , OK No street area — — —
73190 Oklahoma City , OK No street area — — —
73194 Oklahoma City , OK No street area — — —
73195 Oklahoma City , OK No street area — — —
73196 Oklahoma City , OK No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 731.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/731

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