City of Walnut Creek, CA - CONTRA COSTA County California ZIP Codes. There are also a small number of single parents and a large number of families. When mailing your package or letter, always include the preferred or acceptable cities. The Census also indicates that there are one or more nursing homes nearby. The city for 94598 is usually the name of the main post office. ZIP Code 5 Plus 4 Address ; 94597-0001: 1 (From 1 To 115 ) PO BOX , WALNUT CREEK, CA: 94597-0121: 121 (From 121 To 235 ) PO BOX , WALNUT CREEK, CA Nearest Zip Codes: 94596 - Walnut Creek, CA 94598 - Walnut Creek, CA 94595 - Walnut Creek, CA 94597 - Walnut Creek, CA 94518 - Concord, CA 94523 - Pleasant Hill, CA 94507 - Alamo, CA 94575 - Moraga, CA 94549 - Lafayette, CA 94556 - Moraga, CA 94528 - Diablo, CA 94519 - Concord, CA 94526 - Danville, CA 94521 - Concord, CA 94520 - Concord, CA Outage Reports by Zip Codes. Walnut Creek, CA ZIP Codes. Select a particular Walnut Creek ZIP Code to view a more detailed map and the number of Business, Residential, and PO Box addresses for that ZIP Code.The Residential addresses are segmented by both Single and Multi-family addessses. mi. Zip Code 94596 is located in Walnut Creek, Contra Costa county in the state of California. Walnut Creek is the actual or alternate city name associated with 4 ZIP Codes by the US Postal Service.. 94597 Zip Code is part of the 209 area code. The list below includes the cities that the US Post Office accepts for ZIP code 94598. ZIP Code 5 Plus 4 Address ; 94596-0011: 4011 (From 4011 To 4085 ) PO BOX , WALNUT CREEK, CA: 94596-0088: 5088 PO BOX , WALNUT CREEK, CA Diablo Unified School District, Walnut Creek Elementary School District, and Private. Street map for Walnut Creek (California) with 1397 streets in list. There are 10 different elementary schools and high schools with mailing addresses in ZIP code 94598. Walnut Creek is the actual or alternate city name associated with 4 ZIP Codes by the US Postal Service.. Nearest Zip Codes: 94596 - Walnut Creek, CA 94598 - Walnut Creek, CA 94595 - Walnut Creek, CA 94597 - Walnut Creek, CA 94518 - Concord, CA 94523 - Pleasant Hill, CA 94507 - Alamo, CA 94575 - Moraga, CA 94549 - Lafayette, CA 94556 - Moraga, CA 94528 - Diablo, CA 94519 - Concord, CA 94526 - Danville, CA 94521 - Concord, CA 94520 - Concord, CA ZIP code 94598 is located in western California and covers a slightly less than average land area compared to other ZIP codes in the United States. Walnut Creek street map. Walnut Creek is a city of Contra Costa, California in the Pacific West region of the USA. Key Zip or click on the map.. Advertisement. Key Zip or click on the map.. Advertisement. The percentage of children under 18 living in the 94598 ZIP code is slightly less than average compared to other areas of the country. For more information, see Walnut Creek, CA population. Zip code 94598 is primarily located in Contra Costa County. After it shows 94596 Zip Code is spread between the coordinates of +37.952389 Latitude and -121.864451 Longitude. Postcode areas of Walnut Creek, CA are 94595, 94596, 94597, 94598.Telephone area code(s) of Walnut Creek, CA is 925.Walnut Creek, CA has 131ft (40m) altitude.The coordinates of Walnut Creek, CA are: 37.90639 lat, -122.06500 lng.Walnut Creek, CA belongs to Contra Costa County. //-->. 3+ bedrooms are also common and rent for $1,000+/month. Data sources include the United States Postal Service, U.S. Census Bureau, Yahoo, Google, FedEx, and UPS. It is also slightly higher than average compared to nearby ZIP codes. Walnut Creek ZIP codes: 94595, 94596, 94597, 94598. The official US Postal Service name for 94598 is WALNUT CREEK, California. Power Outage in Walnut Creek, California (CA). It is also compared to nearby ZIP codes. The majority of household are owned or have a mortgage. ZIP code 94598 uses public transportation to get to work more than almost anywhere in the country. It has a much lower than average number of people that make it to work in under half an hour. Rentals in 94598 are most commonly 2 bedrooms. The people living in ZIP code 94598 are primarily white. Zip Code 94595 - Walnut Creek CA California, USA - Contra Costa County Portions of zip code 94598 are contained within or border the city limits of Walnut Creek, CA, Alamo, CA, Concord, CA, and Waldon, CA. WALNUT CREEK Zip Code (CA) Walnut Creek is a city of Contra Costa, California in the Pacific West region of the USA. 94596 Zip Code is part of the 209 area code. google_ad_slot = "5539420162"; The preferred city may not be the city in which the ZIP is located. It is located about 58 miles south-southwest of CA's capital city of Sacramento. Walnut Creek, CA Stats and Demographics for the 94598 ZIP Code. Find MoreCities in California that start with W, Post Office Address:1972 TICE VALLEY BLVD, Post Office Suburb:WALNUT CREEK, CA, 94595-2203,