| City: | Ridgecrest, California |
| County: | Kern County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 10:44:44 PM |
| Population: | No Population Data |
| Area Codes: | 442 / 760 |
| Classification: | PO Box |
| Coordinates: | 35.6513, -117.6626 |
| Quick Link: |
ZIP code 93556 exists as a point location within Ridgecrest, California. It doesn't have its own geographic territory. Instead, it sits inside ZIP 93555, which serves the broader Ridgecrest area. This is a PO Box ZIP that maintains 660 boxes alongside 196 business delivery points.
All street records in this ZIP point to a single address: E Coso Ave. The flag for "single building LVR" (Large Volume Receiver) suggests this ZIP was created specifically to serve a concentrated mail destination, likely a commercial complex, government facility, or similar high-volume location. The 113 delivery records on E Coso Ave all use UNIT designators, indicating multiple tenants or departments at one address.
Ridgecrest sits in California's high desert, in Kern County. The city is best known for its proximity to Naval Air Weapons Station China Lake, a major military research and testing facility. While this specific ZIP doesn't show military entity signals, the local economy ties closely to defense-related work. The main Ridgecrest community receives mail through ZIP 93555, with 93556 handling overflow PO Box demand or serving a specific facility.
All delivery records point to E Coso Ave with UNIT secondary addressing, indicating a single facility with multiple recipients.
ZIP Code 93556 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 13 people with an annual payroll of $1,030,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 4,913Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $239,000Source: CBP |
| Annual Payroll: | $1,030,000Source: CBP |
| # of Employees: | 13Source: CBP |
ZIP Code 93556 is located in Kern County, California, within the Bakersfield-Delano, CA Metropolitan Statistical Area (CBSA 12540) and California's 20th and 22nd Congressional Districts. This Metro area has a population of 910,433 people, about 0.00% of whom live in ZIP Code 93556. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Bakersfield-Delano, CASource: Census |
| CBSA Number: | 12540Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 910,433Source: Census |
| MSA: | Bakersfield, CA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 20,22Source: USPS |
| Congressional Land Area: | 4874.22, 1165.12 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0660704Source: Census |
| Place Name: | Ridgecrest city; CaliforniaSource: Census |
We could not locate which school district 93556 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.