| City: | Danbury, Connecticut |
| Planning Region: | Western Ct Planning Region |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:16:32 PM |
| Population: | No Population Data |
| Area Codes: | 203 / 475 |
| Classification: | PO Box |
| Coordinates: | 41.3948, -73.4544 |
| Quick Link: |
ZIP code 06813 is a PO Box-only designation within the city of Danbury, Connecticut. It doesn't cover geographic territory of its own. Instead, it exists as a point location contained within ZIP 06810, which handles standard street delivery for Danbury. This arrangement allows residents and businesses to maintain a dedicated PO Box address separate from their physical location.
The post office at this location maintains 479 PO Boxes and serves 372 business delivery points. Two streets appear in postal records: Backus Avenue with 114 delivery records and Main Street with 54 records. These addresses use PO Box Street Addressing (PBSA), which allows customers to receive packages using the post office's street address combined with their box number. It's a convenience feature rather than actual street delivery.
Danbury is a mid-sized city in Fairfield County, part of the Bridgeport-Stamford metropolitan area. Anyone living in the 06810 ZIP code receives standard street delivery, so 06813's PO Boxes serve those who want a separate mailing address for business, privacy, or personal preference. The ZIP has existed since before October 2004, making it a long-established part of Danbury's postal infrastructure.
Both streets are associated with PO Box Street Addressing at the post office location, not standard street delivery.
ZIP Code 06813 supports both business and residential activity. According to the Business Census (2024), there are 15 business establishments, employing about 62 people with an annual payroll of $4,851,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,226Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 15Source: CBP |
| 1st Quarter Payroll: | $874,000Source: CBP |
| Annual Payroll: | $4,851,000Source: CBP |
| # of Employees: | 62Source: CBP |
ZIP Code 06813 is located in Western Ct Planning Region, Connecticut, within the Bridgeport-Stamford-Danbury, CT Metropolitan Statistical Area (CBSA 14860) and Connecticut's 5th Congressional District. This Metro area has a population of 947,528 people, about 0.00% of whom live in ZIP Code 06813. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Bridgeport-Stamford-Danbury, CTSource: Census |
| CBSA Number: | 14860Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 947,528Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 05Source: USPS |
| Congressional Land Area: | 1248.16 sq miSource: Census |
| PMSA: | Stamford-Norwalk, CT PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0918430Source: Census |
| Place Name: | Danbury city; ConnecticutSource: Census |
We could not locate which school district 06813 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.