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The 50231 ZIP Code is centered1 in Hamilton County at latitude 42.254 and longitude -93.639 (Panoramio Photos). It is a PO Box type ZIP Code. Hamilton County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.
The population in ZIP Code Tabulation Area (ZCTA) 50231 was 138 with 72 housing units; a land area land area of 0.45 sq. miles; a water area of 0 sq. miles; and a population density of 310.05 people per sq. mile for Census 2000. Demographic Profile
Randall, IA 50231 Map (Marker is ZIP Code Centroid)
Local Search, 50231 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Randall, IA
(2.4 miles ESE) Jewell, IA (3.6 miles N) Ellsworth, IA (5.1 miles NE) Story City, IA (5.1 miles SSE) Stanhope, IA (8.4 miles WNW) |
Mackey, IA
(8.5 miles SW) Roland, IA (9.3 miles SE) Gilbert, IA (10.1 miles S) Kamrar, IA (10.6 miles NNW) Zenorsville, IA (10.9 miles SSW) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Rosedale, IA
(4.9 miles SW) Griffen, IA (9.2 miles WSW) Homestead Colony, IA (12.2 miles S) |
ZIP Codes - Key Concepts
- ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
- The centroid of a ZIP Code may be in one County and the associated city/town in another.
- In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
- ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
- ZIP Codes are only loosely tied to cities.
1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.
