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U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

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ZIP Code Details for Cincinnati

Detailed geographic and postal record lookup for the city of Cincinnati.

Postal Information

ZIP Code 45232
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Saint Bernard
Unacceptable -
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,19° N
Longitude -84,51° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45233
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Sayler Park
Unacceptable -
Time Zone America/New_York
Area Codes 283, 513, 859
Latitude 39,12° N
Longitude -84,67° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45234
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities -
Unacceptable -
Time Zone America/New_York
Area Codes 513
Latitude 39,13° N
Longitude -84,52° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45235
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities -
Unacceptable -
Time Zone America/New_York
Area Codes 513
Latitude 39,13° N
Longitude -84,52° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45236
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Blue Ash, Deer Park, Reading, Silverton, Taft
Unacceptable Kenwood, Rossmoyne, Sycamore Twp
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,21° N
Longitude -84,4° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45237
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Amberley
Unacceptable Bond Hill, Golf Manor, Losantiville
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,19° N
Longitude -84,45° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45238
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities -
Unacceptable Covedale, Del Fair, Delhi
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,11° N
Longitude -84,61° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45239
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Colerain Township, Colerain Twp, Groesbeck, N College Hl, North College Hill
Unacceptable Brookwood, White Oak
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,2° N
Longitude -84,58° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45240
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Parkdale
Unacceptable Forest Park, Pleasant Run Farms
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,28° N
Longitude -84,53° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

Postal Information

ZIP Code 45241
Type Standard
Primary City Cincinnati
State OH
County Hamilton County
Acceptable Cities Blue Ash, Sharonville, West Chester
Unacceptable Evendale
Time Zone America/New_York
Area Codes 283, 513
Latitude 39,28° N
Longitude -84,4° W

About U.S. ZIP Codes

U.S. ZIP Codes are 5-digit postal codes introduced in 1963 by the USPS to improve mail sorting efficiency. The first digit represents a broad region, the next two identify a sectional center facility, and the final two help pinpoint a local post office or delivery area.

Geographic Breakdown:

  • 1st Digit: Represents a group of states or a broad national region.
  • 2nd/3rd Digits: Represent a regional area or large city.
  • 4th/5th Digits: Identify specific post offices or delivery zones.

ZIP Codes support physical delivery, routing analytics, geocoding, tax calculations, and location-based research.

Geographic Map of Cincinnati, OH

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Postal context

About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.