| City: | Coronado, California |
| City Alias: | San Diego |
| County: | San Diego County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 10:16:59 PM |
| Population: | No Population Data |
| Area Codes: | 619 / 858 |
| Classification: | PO Box |
| Coordinates: | 32.6856, -117.1825 |
| Quick Link: |
ZIP code 92178 serves a concentrated area within Coronado, California, operating as a branch post office for what appears to be a single multi-unit location. The ZIP doesn't have its own residential population, instead functioning as a specialized mail facility within the larger Coronado community served by standard ZIP 92118.
The post office maintains 1,071 PO Boxes alongside 255 business delivery points. Mail delivery is concentrated on a single street (Ynez Place) with 93 individual units, suggesting an apartment complex or multi-unit facility. This isn't a PO Box Only Zone. Street delivery is available throughout Coronado via the standard 92118 ZIP code.
Coronado accepts both "CORONADO" and "SAN DIEGO" as valid city names for mailing addresses, a reflection of the city's location on San Diego Bay and its close ties to the larger San Diego region. The branch facility has served this area since before October 2004, when USPS began tracking ZIP code introduction dates.
With just one street and one city carrier route, this ZIP functions more as a mail distribution point than a traditional geographic service area. It has no defined land area in Census records and exists as a point location contained within ZIP 92118. The 8 business establishments and 15 employees suggest limited commercial activity directly associated with this ZIP.
All street delivery concentrated on one location: Ynez Place with 93 units.
ZIP Code 92178 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 16 people with an annual payroll of $533,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,254Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 7Source: CBP |
| 1st Quarter Payroll: | $130,000Source: CBP |
| Annual Payroll: | $533,000Source: CBP |
| # of Employees: | 16Source: CBP |
ZIP Code 92178 is located in San Diego County, California, within the San Diego-Chula Vista-Carlsbad, CA Metropolitan Statistical Area (CBSA 41740) and California's 50th Congressional District. This Metro area has a population of 3,282,782 people, about 0.00% of whom live in ZIP Code 92178. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Diego-Chula Vista-Carlsbad, CASource: Census |
| CBSA Number: | 41740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 3,282,782Source: Census |
| MSA: | San Diego, CA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 50Source: USPS |
| Congressional Land Area: | 2787.35 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0616378Source: Census |
| Place Name: | Coronado city; CaliforniaSource: Census |
We could not locate which school district 92178 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 January 1, 2026.