ZIP code 51637
Where is ZIP code 51637?
College Springs, Iowa
Page County · PO Box only ZIP code
ZIP code 51637 belongs to College Springs, Iowa in Page County. 51637 is a PO Box only ZIP code: it is used for post office boxes at the College Springs post office, not for street addresses. It is in the Central Time zone and uses area code 712. About 171 people live in the 51637 area, where the median household income is $72,888. The closest ZIP codes are 51630 (Blanchard, 4.8 mi west), 51651 (Shambaugh, 5.3 mi northeast) and 51636 (Coin, 6.3 mi northwest).
| ZIP code | 51637 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | College Springs |
| Also accepted | College Sprgs |
| State | Iowa (IA) |
| County | Page County |
| Time zone | Central Time · now |
| Area code | 712 |
| Coordinates | 40.6249, -95.1157 map |
| 3-digit prefix | 516 |
Population and income in 51637
| Population | 171 · lower than 89% of Iowa ZIP codes |
|---|---|
| People per square mile | 137 · higher than 82% of Iowa ZIP codes |
| Median age | 47.2 years · higher than 71% of Iowa ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $72,888 · lower than 53% of Iowa ZIP codes |
| Income per person | $35,835 |
| Below the poverty line | 18% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $76,300 · lower than 96% of Iowa ZIP codes |
| Housing units | 85 |
| Households | 81 (2.11 people on average) |
| Owners / renters | 96% / 3.7% |
| Land area | 1.25 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51637. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51637
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51630 | Blanchard, IA | 4.8 mi W | Standard |
| 51651 | Shambaugh, IA | 5.3 mi NE | PO Box only |
| 51636 | Coin, IA | 6.3 mi NW | Standard |
| 51631 | Braddyville, IA | 6.5 mi E | Standard |
| 64445 | Elmo, MO | 7.4 mi S | Standard |
| 51656 | Yorktown, IA | 8.1 mi N | PO Box only |
| 64431 | Clearmont, MO | 9.4 mi SE | Standard |
| 51632 | Clarinda, IA | 9.5 mi NE | Standard |
| 51647 | Northboro, IA | 10.2 mi W | Standard |
| 64498 | Westboro, MO | 12.1 mi SW | Standard |
| 64428 | Burlington Junction, MO | 12.6 mi S | Standard |
| 51646 | New Market, IA | 14.3 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51637 or measure the distance to another ZIP code.
How to address mail to 51637
PO BOX 123
COLLEGE SPRINGS IA 51637
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COLLEGE SPRGS as the city name for 51637. Adding the 4-digit ZIP+4 code (51637-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51637?
- 51637 is a College Springs, Iowa ZIP code. College Sprgs is also accepted as the city name.
- What county is 51637 in?
- ZIP code 51637 is in Page County, Iowa.
- What time zone is ZIP code 51637 in?
- 51637 is in the Central Time zone (America/Chicago).
- What area code is 51637?
- Phone numbers in ZIP code 51637 use area code 712.
- What is the population of ZIP code 51637?
- About 171 people live in ZIP code 51637, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51637?
- The median household income in 51637 is $72,888 a year, lower than 53% of Iowa ZIP codes.
- Can I use 51637 for a street address?
- No. 51637 is only for PO Boxes. Street addresses in College Springs use another ZIP code.
- What ZIP codes are near 51637?
- The nearest ZIP codes to 51637 are 51630 (Blanchard, 4.8 miles), 51651 (Shambaugh, 5.3 miles), 51636 (Coin, 6.3 miles) and 51631 (Braddyville, 6.5 miles).