| City: | Casper, Wyoming |
| County: | Natrona County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 10:07:07 AM |
| Population: | No Population Data |
| Area Code: | 307 |
| Classification: | PO Box |
| Coordinates: | 42.8508, -106.3216 |
| Quick Link: |
ZIP code 82605 is a PO Box-only ZIP serving Casper, Wyoming's downtown area. It operates as a point location within the larger 82601 ZIP code and doesn't have its own geographic territory. The post office maintains 548 PO Boxes, serving businesses and residents who prefer a central downtown mailing address.
Casper is Wyoming's second-largest city, and 82605 provides an alternative to the city's standard delivery ZIPs. With 316 business delivery points and 37 registered establishments employing 245 workers, this ZIP caters heavily to commercial customers. The high ratio of businesses to residential boxes suggests it functions primarily as a business mail hub.
Street-style addressing within this ZIP is limited to two locations: N Forest Drive (98 records with unit designations) and N Jul Lane. These records use PO Box Street Addressing, which allows customers to receive packages at the post office using a street-style format. This isn't street delivery. It's PO Boxes with an alternative address option.
For most Casper residents, mail arrives through the city's standard delivery ZIPs (82601, 82604, and others). ZIP 82605 exists for those who want the convenience and privacy of a PO Box at the downtown post office location.
Only two street names exist, both using PO Box Street Addressing format rather than actual street delivery.
ZIP Code 82605 supports both business and residential activity. According to the Business Census (2024), there are 39 business establishments, employing about 272 people with an annual payroll of $22,743,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,541Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 39Source: CBP |
| 1st Quarter Payroll: | $5,701,000Source: CBP |
| Annual Payroll: | $22,743,000Source: CBP |
| # of Employees: | 272Source: CBP |
ZIP Code 82605 is located in Natrona County, Wyoming, within the Casper, WY Metropolitan Statistical Area (CBSA 16220). This Metro area has a population of 75,450 people, about 0.00% of whom live in ZIP Code 82605. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Casper, WYSource: Census |
| CBSA Number: | 16220Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 75,450Source: Census |
| MSA: | Casper, WY MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 5613150Source: Census |
| Place Name: | Casper city; WyomingSource: Census |
We could not locate which school district 82605 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 March 1, 2026.