| City: | Boise, Idaho |
| Names to Avoid: | Washington Group |
| County: | Ada County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 9:43:32 PM |
| Population: | No Population Data |
| Area Codes: | 208 / 986 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 43.6139, -116.2025 |
| Quick Link: |
Washington Group International formerly operated under dedicated ZIP code 83729 in Downtown Boise, Ada County. Washington Group was an engineering and construction services company that emerged from the 2000 reorganization of Morrison Knudsen, itself founded in Boise in 1912. The company was acquired by URS Corporation in 2007 and subsequently became part of AECOM in 2014.
Two delivery codes route mail to this Downtown Boise location. This unique postal designation has served the corporate address for more than two decades. The Morrison Knudsen legacy dates to major infrastructure projects including the Hoover Dam, San Francisco Bay Bridge, and numerous military installations. Census demographic data is not available for this commercial ZIP. Boise is the valid mailing city, though the corporate entity has been absorbed into AECOM.
| Residential: | 0 |
| Business: | 1 |
ZIP Code 83729 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 83729 is located in Ada County, Idaho, within the Boise City, ID Metropolitan Statistical Area (CBSA 14260) and Idaho's 2nd Congressional District. This Metro area has a population of 790,640 people, about 0.00% of whom live in ZIP Code 83729. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Boise City, IDSource: Census |
| CBSA Number: | 14260Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 790,640Source: Census |
| MSA: | Boise City, ID MSASource: 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: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 83729 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.