| City: | Idaho Falls, Idaho |
| County: | Bonneville County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 9:39:58 PM |
| Population: | No Population Data |
| Area Codes: | 208 / 986 |
| Classification: | PO Box |
| Coordinates: | 43.4667, -112.0335 |
| Quick Link: |
ZIP code 83405 is a point-location ZIP within Idaho Falls, Idaho. It doesn't cover a geographic territory. Instead, it serves a single address: N Capital Ave. This type of ZIP is called a Large Volume Receiver, assigned to locations with high mail volumes that warrant their own dedicated postal code.
The ZIP operates as a commercial center. It has 323 business delivery points and 23 business establishments employing 639 workers. These numbers indicate an office complex or corporate campus rather than a residential area. There's no residential population recorded for this ZIP since people don't live here.
Mail delivery follows an urban pattern. The post office maintains 320 PO Boxes, and there's one city carrier route serving the N Capital Ave address. All 90 ZIP+4 records point to units at this single street address.
If you're sending mail to 83405, you're mailing to the N Capital Ave business complex. The address format uses unit numbers:
[Recipient Name]
[Unit Number] N Capital Ave
Idaho Falls, ID 83405This ZIP sits inside the boundaries of 83401, one of Idaho Falls' standard residential ZIPs. It isn't a PO Box Only Zone since street delivery exists at the location.
Only one street exists in this ZIP: N Capital Ave, which contains all 90 delivery records with unit designators.
ZIP Code 83405 supports both business and residential activity. According to the Business Census (2024), there are 23 business establishments, employing about 741 people with an annual payroll of $36,624,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,357Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 23Source: CBP |
| 1st Quarter Payroll: | $7,953,000Source: CBP |
| Annual Payroll: | $36,624,000Source: CBP |
| # of Employees: | 741Source: CBP |
ZIP Code 83405 is located in Bonneville County, Idaho, within the Idaho Falls, ID Metropolitan Statistical Area (CBSA 26820) and Idaho's 2nd Congressional District. This Metro area has a population of 161,944 people, about 0.00% of whom live in ZIP Code 83405. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Idaho Falls, IDSource: Census |
| CBSA Number: | 26820Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 161,944Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 43225.09 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1639700Source: Census |
| Place Name: | Idaho Falls city; IdahoSource: Census |
We could not locate which school district 83405 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.