Zip code 51603: Shenandoah, Iowa
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 51603
51603 is a non-residential zip code for Shenandoah, Iowa (Page County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 51603, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Shenandoah
- State
- Iowa
- County
- Page County
- Center point
- 40.7656° N, 95.3722° W
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- PO box or unique zip
Zip codes near 51603
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 51601 | Shenandoah, IA | 2.5 mi | $62,143 |
| 51639 | Farragut, IA | 5.9 mi | $84,688 |
| 51638 | Essex, IA | 7.4 mi | $59,107 |
| 51645 | Imogene, IA | 8.5 mi | $217,898 |
| 51636 | Coin, IA | 9.9 mi | $63,516 |
| 51649 | Randolph, IA | 10 mi | $58,333 |
| 51650 | Riverton, IA | 11 mi | $49,063 |
| 51647 | Northboro, IA | 11 mi | $23,633 |
| 51656 | Yorktown, IA | 12 mi | $83,750 |
| 51652 | Sidney, IA | 13 mi | $82,200 |
| 51630 | Blanchard, IA | 15 mi | $70,000 |
| 64498 | Westboro, MO | 16 mi | $48,750 |
Questions about 51603
What city is zip code 51603?
51603 is assigned to Shenandoah, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 51603 in?
51603 is in Page County, Iowa.
What time zone is 51603 in?
51603 is in Central Time.
What zip codes are near 51603?
The closest zip codes to 51603 are 51601, 51639, 51638, 51645, 51636.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51603, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.