U.S. postal lookup

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 Bay

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

Postal Information

ZIP Code 94019
Type Standard
Primary City Half Moon Bay
State CA
County San Mateo County
Acceptable Cities -
Unacceptable Princeton By The Sea
Time Zone America/Los_Angeles
Area Codes 650
Latitude 37,44° N
Longitude -122,41° 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 Half Moon Bay, CA

Postal Information

ZIP Code 94505
Type Standard
Primary City Discovery Bay
State CA
County Contra Costa County
Acceptable Cities Byron
Unacceptable -
Time Zone America/Los_Angeles
Area Codes 209, 350, 925
Latitude 37,87° N
Longitude -121,6° 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 Discovery Bay, CA

Postal Information

ZIP Code 94923
Type Standard
Primary City Bodega Bay
State CA
County Sonoma County
Acceptable Cities -
Unacceptable Salmon Creek
Time Zone America/Los_Angeles
Area Codes 415, 628, 707
Latitude 38,35° N
Longitude -123,06° 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 Bodega Bay, CA

Postal Information

ZIP Code 95524
Type Standard
Primary City Bayside
State CA
County Humboldt County
Acceptable Cities -
Unacceptable -
Time Zone America/Los_Angeles
Area Codes 707
Latitude 40,81° N
Longitude -124,01° 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 Bayside, CA

Postal Information

ZIP Code 95746
Type Standard
Primary City Granite Bay
State CA
County Placer County
Acceptable Cities Roseville
Unacceptable -
Time Zone America/Los_Angeles
Area Codes 279, 530, 916
Latitude 38,76° N
Longitude -121,16° 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 Granite Bay, CA

Postal Information

ZIP Code 96140
Type Po Box
Primary City Carnelian Bay
State CA
County Placer County
Acceptable Cities -
Unacceptable Agate Bay, Cedar Flat, Flick Point, Fulton Acres, Ridgewood
Time Zone America/Los_Angeles
Area Codes 530
Latitude 39,23° N
Longitude -120,1° 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 Carnelian Bay, CA

Postal Information

ZIP Code 96863
Type Standard
Primary City Mcbh Kaneohe Bay
State HI
County Honolulu County
Acceptable Cities Mcbh K Bay
Unacceptable -
Time Zone Pacific/Honolulu
Area Codes 808
Latitude 21,44° N
Longitude -157,75° 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 Mcbh Kaneohe Bay, HI

Postal Information

ZIP Code 97107
Type Standard
Primary City Bay City
State OR
County Tillamook County
Acceptable Cities -
Unacceptable -
Time Zone America/Los_Angeles
Area Codes 503, 971
Latitude 45,55° N
Longitude -123,88° 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 Bay City, OR

Postal Information

ZIP Code 97341
Type Standard
Primary City Depoe Bay
State OR
County Lincoln County
Acceptable Cities -
Unacceptable -
Time Zone America/Los_Angeles
Area Codes 458, 541
Latitude 44,81° N
Longitude -124,05° 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 Depoe Bay, OR

Postal Information

ZIP Code 97420
Type Standard
Primary City Coos Bay
State OR
County Coos County
Acceptable Cities Charleston
Unacceptable Coos Head Naval Facility, Eastside
Time Zone America/Los_Angeles
Area Codes 458, 541
Latitude 43,37° N
Longitude -124,14° 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 Coos Bay, OR

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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.