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U.S. ZIP Code 51640
5-digit United States postal code #51640, Hamburg, IA
ZIP code 51640 is located in the city (place name) Hamburg, сounty Fremont in the state of Iowa. The population in ZIP code 51640 is 1748 and the population density is 5.6. ZIP code 51640 refers to сounty Fremont having сounty FIPS 19071, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19071: 99.37%, 29005: 0.63%. In the area of the ZIP code 51640 valid time zone America/Chicago.
ZIP: 51640
County: Fremont
Place Name: Hamburg
State: Iowa
State Abbreviation: IA
Coordinates: 40° 37' 22.44" N, 95° 39' 23.112" W
Latitude: 40.622900000000
Longitude: -95.656420000000
Population: 1748
Density: 5.6/km2
Time zone: America/Chicago
County FIPS: 19071
All county weights: 19071: 99.37%, 29005: 0.63%