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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 Pasadena

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

Postal Information

ZIP Code 21122
Type Standard
Primary City Pasadena
State MD
Acceptable Cities Lake Shore, Riviera Beach
Unacceptable -
Time Zone America/New_York
Area Codes 410, 443, 667
Latitude 39,11° N
Longitude -76,55° 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 Pasadena, MD

Postal Information

ZIP Code 21123
Type Po Box
Primary City Pasadena
State MD
Acceptable Cities Lake Shore, Riviera Beach
Unacceptable -
Time Zone America/New_York
Area Codes 410
Latitude 39,11° N
Longitude -76,55° 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 Pasadena, MD

Postal Information

ZIP Code 77501
Type Po Box
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 713
Latitude 29,66° N
Longitude -95,15° 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 Pasadena, TX

Postal Information

ZIP Code 77502
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,68° N
Longitude -95,2° 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 Pasadena, TX

Postal Information

ZIP Code 77503
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable Golden Acres
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,7° N
Longitude -95,16° 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 Pasadena, TX

Postal Information

ZIP Code 77504
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,65° N
Longitude -95,19° 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 Pasadena, TX

Postal Information

ZIP Code 77505
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,66° N
Longitude -95,15° 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 Pasadena, TX

Postal Information

ZIP Code 77506
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,71° N
Longitude -95,2° 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 Pasadena, TX

Postal Information

ZIP Code 77507
Type Standard
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 281, 346, 713, 832
Latitude 29,62° N
Longitude -95,06° 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 Pasadena, TX

Postal Information

ZIP Code 77508
Type Po Box
Primary City Pasadena
State TX
County Harris County
Acceptable Cities -
Unacceptable -
Time Zone America/Chicago
Area Codes 713
Latitude 29,66° N
Longitude -95,15° 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 Pasadena, TX

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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.