Title: Walnut Creek, North Carolina
Content:  Walnut Creek is located at 35.30944°N, -77.8675°W (35.309358, -77.867517). According to the United States Census Bureau, the village has a total area of 1.9 square miles (4.8 km2), of which, 1.5 square miles (4.0 km2) of it is land and 0.3 square miles (0.8 km2) of it (17.20%) is water.
Title: Walnut Creek, Arizona
Content:  Walnut Creek is a census-designated place in Mohave County, in the U.S. state of Arizona. The population was 562 at the 2010 census.
Title: Walnut Creek, Ohio
Content:  Walnut Creek is in eastern Holmes County, sitting atop a 200 ft ridge between Goose Creek to the north and Walnut Creek to the south. It is part of the Tuscarawas River watershed. It lies at the intersection of State Routes 39 and 515. Route 39 leads west 11 mi to Millersburg, the Holmes county seat, and east 17 mi to New Philadelphia, while Route 515 leads north 6 mi to Winesburg. According to the U.S. Census Bureau, the Walnut Creek CDP has a total area of 5.8 sqkm, of which 4467 sqm, or 0.08%, are water.
Title: Walnut Creek, California
Content:  Walnut Creek is located at 37.90639°N, -122.065°W. Portions lie in both the San Ramon Valley and the Ygnacio Valley below the western slopes of Mount Diablo. According to the United States Census Bureau, the city has a total area of 51.2 km2, 0.06 percent of which is water. Walnut Creek – the actual waterway that runs through the town – has been routed underneath downtown through a series of tunnels. These start at the southwest end of Macy's and ending just southwest of Maria Maria Restaurant.
Title: Walnut Creek (Arizona)
Content:  Walnut Creek is a major stream in Coconino County, Arizona that is part of the Little Colorado River drainage basin. The creek flows about 34 mi in a northeasterly direction from south of Flagstaff to near Winona.
Title: Walnut Creek, North Carolina
Content:  Walnut Creek is a village in Wayne County, North Carolina, United States. The population was 835 in 2010. It is included in the Goldsboro, North Carolina Metropolitan Statistical Area. The village is built around the Walnut Creek Country Club.
Title: Walnut Creek (Neuse River tributary)
Content:  Walnut Creek is a 17.93 mi long 4th order tributary to the Neuse River in Wake County. Its source is a small pond near WakeMed Soccer Park in Cary, and it flows generally eastward through several small reservoirs, including Lake Cramer in Cary as well as Lake Johnson and Lake Raleigh in Raleigh, before reaching its confluence with the Neuse just south of Poole Road in East Raleigh. The course of the creek closely parallels Interstate 40, running mostly along the north side of the freeway. The Walnut Creek Trail, a branch of the Capital Area Greenway, follows the length of Walnut Creek from Lake Johnson to its confluence, and is the second longest trail in the Greenway System. A large swampy wetland (which has been partially reclaimed by urban development), occupies the area around the last several miles of the creek; the Walnut Creek Wetland Center, operated by Raleigh Parks and Recreation, is dedicated to the study and preservation of the wetlands. The Coastal Credit Union Music Park, commonly known by its original name of Walnut Creek Amphitheater, is located near the wetland area near where the creek passes under the I-40/I-440 interchange.
Title: Walnut Creek (Little Sac River tributary)
Content:  Walnut Creek is a stream in Polk County the Ozarks of southwest Missouri. It is a tributary of the Little Sac River. The stream headwaters are located at 37.54861°N, -93.42972°W and the confluence with the Little Sac River are at 37.52556°N, -93.52944°W. The stream source is just southwest of the community of Karlin south of Bolivar. The stream flows southwest and west to its junction with the Little Sac about one mile south of Stockton Lake. Walnut Creek was so named due to the abundant walnut timber in the area.
Title: Walnut Creek (White Rock Creek tributary)
Content:  Walnut Creek is a river in Jewell County in the U.S. State of Kansas. Walnut Creek flows into the White Rock Creek northeast of the City of Burr Oak.
Title: Walnut Creek, California
Content:  Walnut Creek is a city in Contra Costa County, California, United States, located in the East Bay region of the San Francisco Bay Area, about 16 mi east of the city of Oakland. With a total estimated population of 70,166, Walnut Creek serves as a hub for its neighboring cities because of its location at the junction of the highways from Sacramento and San Jose (I-680) and San Francisco/Oakland (SR-24), and its accessibility by BART. Its active downtown neighborhood features hundred-year-old buildings and extensive high-end retail establishments.

Question: what is the zip code for walnut creek?
Answer: 94597.