List of 149 Zip Codes in Contra Costa County, California

On this page, we'll list out the 149 Contra Costa County, California ZIP codes we have, including the land area and county name of each code.

California is the 3rd largest state by total land area, with a land area of 163,695 square miles (423,968 square kilometers) and has a total population of 39,346,023 people as of the most recent U.S. Census survey.

Contra Costa County makes up approximately 1.51% of the total land area for California and we have 149 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
94505 42,133,400 16 42
94506 48,664,700 19 49
94506 48,664,700 19 49
94506 48,664,700 19 49
94506 48,664,700 19 49
94506 48,664,700 19 49
94507 32,888,800 13 33
94507 32,888,800 13 33
94507 32,888,800 13 33
94507 32,888,800 13 33
94509 42,552,600 16 43
94509 42,552,600 16 43
94511 14,411,100 6 14
94513 195,948,000 76 196
94513 195,948,000 76 196
94513 195,948,000 76 196
94513 195,948,000 76 196
94513 195,948,000 76 196
94514 74,350,300 29 74
94517 148,196,000 57 148
94517 148,196,000 57 148
94518 14,081,200 5 14
94518 14,081,200 5 14
94518 14,081,200 5 14
94519 11,323,400 4 11
94520 26,130,100 10 26
94520 26,130,100 10 26
94520 26,130,100 10 26
94520 26,130,100 10 26
94520 26,130,100 10 26
94521 33,572,500 13 34
94521 33,572,500 13 34
94521 33,572,500 13 34
94523 18,739,000 7 19
94523 18,739,000 7 19
94523 18,739,000 7 19
94523 18,739,000 7 19
94523 18,739,000 7 19
94525 6,093,360 2 6
94525 6,093,360 2 6
94526 38,668,300 15 39
94526 38,668,300 15 39
94528 6,072,660 2 6
94528 6,072,660 2 6
94528 6,072,660 2 6
94530 12,506,000 5 13
94530 12,506,000 5 13
94530 12,506,000 5 13
94531 28,373,800 11 28
94547 14,095,500 5 14
94547 14,095,500 5 14
94548 7,157,010 3 7
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94549 49,746,400 19 50
94551 204,390,000 79 204
94551 204,390,000 79 204
94553 126,759,000 49 127
94553 126,759,000 49 127
94553 126,759,000 49 127
94553 126,759,000 49 127
94553 126,759,000 49 127
94553 126,759,000 49 127
94553 126,759,000 49 127
94556 31,722,300 12 32
94556 31,722,300 12 32
94556 31,722,300 12 32
94561 43,839,100 17 44
94561 43,839,100 17 44
94561 43,839,100 17 44
94563 44,713,600 17 45
94563 44,713,600 17 45
94563 44,713,600 17 45
94564 14,477,600 6 14
94564 14,477,600 6 14
94564 14,477,600 6 14
94565 78,214,500 30 78
94565 78,214,500 30 78
94565 78,214,500 30 78
94569 6,127,470 2 6
94572 11,244,800 4 11
94572 11,244,800 4 11
94575 433,794 0 0
94582 33,663,100 13 34
94582 33,663,100 13 34
94583 38,727,300 15 39
94583 38,727,300 15 39
94583 38,727,300 15 39
94588 84,547,500 33 85
94588 84,547,500 33 85
94588 84,547,500 33 85
94588 84,547,500 33 85
94595 13,930,700 5 14
94595 13,930,700 5 14
94595 13,930,700 5 14
94595 13,930,700 5 14
94596 15,448,700 6 15
94596 15,448,700 6 15
94596 15,448,700 6 15
94596 15,448,700 6 15
94597 10,139,300 4 10
94597 10,139,300 4 10
94597 10,139,300 4 10
94597 10,139,300 4 10
94597 10,139,300 4 10
94597 10,139,300 4 10
94598 39,493,600 15 39
94598 39,493,600 15 39
94598 39,493,600 15 39
94598 39,493,600 15 39
94598 39,493,600 15 39
94611 27,352,200 11 27
94611 27,352,200 11 27
94611 27,352,200 11 27
94706 3,823,560 1 4
94706 3,823,560 1 4
94706 3,823,560 1 4
94707 4,390,730 2 4
94707 4,390,730 2 4
94707 4,390,730 2 4
94708 8,784,940 3 9
94708 8,784,940 3 9
94801 29,210,800 11 29
94801 29,210,800 11 29
94803 30,223,800 12 30
94803 30,223,800 12 30
94803 30,223,800 12 30
94803 30,223,800 12 30
94804 16,002,800 6 16
94804 16,002,800 6 16
94804 16,002,800 6 16
94805 5,142,990 2 5
94805 5,142,990 2 5
94805 5,142,990 2 5
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94806 21,583,500 8 22
94850 109,969 0 0
95219 147,276,000 57 147

More Counties in California

If you want to search and find zip codes for different counties in California, the list below contains links to each of the 63 California counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 149 Zip Codes in Contra Costa County, California". NameCensus.com. Accessed on April 24, 2024. https://namecensus.com/zip-codes/california/contra-costa-county/.

  • "List of 149 Zip Codes in Contra Costa County, California". NameCensus.com, https://namecensus.com/zip-codes/california/contra-costa-county/. Accessed 24 April, 2024

  • List of 149 Zip Codes in Contra Costa County, California. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/california/contra-costa-county/.