| City: | Grand Rapids, Michigan |
| Names to Avoid: | Gr |
| County: | Kent County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:04:27 AM |
| Population: | No Population Data |
| Area Code: | 616 |
| Classification: | PO Box |
| Coordinates: | 42.9634, -85.6681 |
| Quick Link: |
ZIP code 49523 serves downtown Grand Rapids as a PO Box facility in the Heartside-Downtown neighborhood. With 81 PO Boxes and 75 business customers, this isn't a residential ZIP. It's a dedicated postal facility for businesses and individuals who need a downtown mailing address separate from their street delivery location.
The ZIP doesn't include any street delivery routes. Residents and businesses in this area receive carrier delivery through the standard 49503 ZIP code, which covers the same downtown territory. The 49523 designation exists purely for PO Box customers who prefer or require box service, whether for privacy, mail volume, or a professional business address in the city center.
No street delivery routes exist in this PO Box only ZIP code.
ZIP Code 49523 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 10 people with an annual payroll of $180,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,181Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $39,000Source: CBP |
| Annual Payroll: | $180,000Source: CBP |
| # of Employees: | 10Source: CBP |
ZIP Code 49523 is located in Kent County, Michigan, within the Grand Rapids-Wyoming-Kentwood, MI Metropolitan Statistical Area (CBSA 24340) and Michigan's 3rd Congressional District. This Metro area has a population of 774,160 people, about 0.00% of whom live in ZIP Code 49523. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Grand Rapids-Wyoming-Kentwood, MISource: Census |
| CBSA Number: | 24340Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 774,160Source: Census |
| MSA: | Grand Rapids-Muskegon-Holland, MI MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 2628.74 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2634000Source: Census |
| Place Name: | Grand Rapids city; MichiganSource: Census |
We could not locate which school district 49523 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.