| City: | Billings, Montana |
| County: | Yellowstone County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 6:57:58 AM |
| Population: | No Population Data |
| Area Code: | 406 |
| Classification: | PO Box |
| Coordinates: | 45.7834, -108.5003 |
| Quick Link: |
ZIP code 59103 serves downtown Billings, Montana's largest city. This isn't a neighborhood with residents. It's a commercial post office zone centered on 1st Avenue North in the North Park district. The ZIP has zero residential population because it exists solely to serve businesses and provide PO Box services.
The Billings downtown post office maintains 224 PO Boxes and serves 501 business delivery points. With 36 business establishments employing 826 workers in the area, this ZIP functions as a commercial mail hub. All 192 street delivery records point to a single address on 1st Avenue North, indicating a large office building or commercial complex.
Billings residents who live nearby receive their mail through ZIP 59101, which surrounds this downtown point location. The 59103 ZIP exists as a separate code specifically for downtown business mail operations. This is common in larger cities where heavy commercial mail volume justifies a dedicated postal zone.
For businesses in downtown Billings, mail can be addressed to either a PO Box at 59103 or a street address on 1st Avenue North. Residential mail for the surrounding area uses ZIP 59101 instead.
Single commercial address serves as the delivery point for all non-PO Box mail in this downtown business district.
ZIP Code 59103 supports both business and residential activity. According to the Business Census (2024), there are 39 business establishments, employing about 884 people with an annual payroll of $104,436,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 4,721Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 39Source: CBP |
| 1st Quarter Payroll: | $25,352,000Source: CBP |
| Annual Payroll: | $104,436,000Source: CBP |
| # of Employees: | 884Source: CBP |
ZIP Code 59103 is located in Yellowstone County, Montana, within the Billings, MT Metropolitan Statistical Area (CBSA 13740) and Montana's 2nd Congressional District. This Metro area has a population of 158,050 people, about 0.00% of whom live in ZIP Code 59103. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Billings, MTSource: Census |
| CBSA Number: | 13740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 158,050Source: Census |
| MSA: | Billings, MT MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3006550Source: Census |
| Place Name: | Billings city; MontanaSource: Census |
We could not locate which school district 59103 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 February 1, 2026.