ZIP codes starting with 503
- ZIP codes
- 55
- States
- IA
- Largest city
- Des Moines, IA
- Population
- 306,850
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 503xx
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
50301 | Des Moines , IA | No street area | — | — | — |
50302 | Des Moines , IA | No street area | — | — | — |
50303 | Des Moines , IA | No street area | — | — | — |
50304 | Des Moines , IA | No street area | — | — | — |
50305 | Des Moines , IA | No street area | — | — | — |
50306 | Des Moines , IA | No street area | — | — | — |
50307 | Des Moines , IA | No street area | — | — | — |
50308 | Des Moines , IA | No street area | — | — | — |
50309 | Des Moines , IA | Standard | 10,110 | $56,777 | $292,500 |
50310 | Des Moines , IA | Standard | 31,177 | $76,381 | $222,700 |
50311 | Des Moines , IA | Standard | 14,574 | $61,957 | $226,500 |
50312 | Des Moines , IA | Standard | 15,802 | $92,242 | $291,900 |
50313 | Des Moines , IA | Standard | 17,440 | $68,361 | $175,100 |
50314 | Des Moines , IA | Standard | 10,438 | $39,950 | $147,900 |
50315 | Des Moines , IA | Standard | 34,816 | $60,590 | $173,200 |
50316 | Des Moines , IA | Standard | 16,710 | $56,090 | $154,300 |
50317 | Des Moines , IA | Standard | 36,548 | $65,617 | $177,600 |
50318 | Des Moines , IA | No street area | — | — | — |
50319 | Des Moines , IA | Standard | 0 | — | — |
50320 | Des Moines , IA | Standard | 24,807 | $85,105 | $216,900 |
50321 | Des Moines , IA | Standard | 7,900 | $80,351 | $320,500 |
50322 | Urbandale , IA | Standard | 31,931 | $92,085 | $276,200 |
50323 | Urbandale , IA | Standard | 17,265 | $175,944 | $486,800 |
50324 | Windsor Heights , IA | Standard | 5,143 | $91,707 | $267,900 |
50325 | Clive , IA | Standard | 19,012 | $132,121 | $401,100 |
50327 | Pleasant Hill , IA | Standard | 13,177 | $98,333 | $314,400 |
50328 | Des Moines , IA | No street area | — | — | — |
50329 | Des Moines , IA | No street area | — | — | — |
50330 | Des Moines , IA | No street area | — | — | — |
50331 | Des Moines , IA | No street area | — | — | — |
50332 | Des Moines , IA | No street area | — | — | — |
50333 | Des Moines , IA | No street area | — | — | — |
50334 | Des Moines , IA | No street area | — | — | — |
50335 | Des Moines , IA | No street area | — | — | — |
50336 | Des Moines , IA | No street area | — | — | — |
50339 | Des Moines , IA | No street area | — | — | — |
50340 | Des Moines , IA | No street area | — | — | — |
50359 | Des Moines , IA | No street area | — | — | — |
50360 | Des Moines , IA | No street area | — | — | — |
50361 | Des Moines , IA | No street area | — | — | — |
50362 | Des Moines , IA | No street area | — | — | — |
50363 | Des Moines , IA | No street area | — | — | — |
50364 | Des Moines , IA | No street area | — | — | — |
50367 | Des Moines , IA | No street area | — | — | — |
50368 | Des Moines , IA | No street area | — | — | — |
50369 | Des Moines , IA | No street area | — | — | — |
50380 | Des Moines , IA | No street area | — | — | — |
50381 | Des Moines , IA | No street area | — | — | — |
50391 | Des Moines , IA | No street area | — | — | — |
50392 | Des Moines , IA | No street area | — | — | — |
50393 | Des Moines , IA | No street area | — | — | — |
50394 | Des Moines , IA | No street area | — | — | — |
50395 | Des Moines , IA | No street area | — | — | — |
50396 | Des Moines , IA | No street area | — | — | — |
50398 | Urbandale , IA | No street area | — | — | — |
Cite this page
zipcodes.pro. “ZIP codes starting with 503.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/503
Underlying data is public domain or openly licensed — sources, vintages and licences.