| City: | Gloucester, Massachusetts |
| County: | Essex County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:49:47 PM |
| Population: | No Population Data |
| Area Codes: | 351 / 508 / 978 |
| Classification: | PO Box |
| Coordinates: | 42.6159, -70.6627 |
| Quick Link: |
ZIP code 01931 exists as a point location within Gloucester, Massachusetts. It doesn't have its own geographic territory. Instead, it's completely enclosed by ZIP 01930, the main Gloucester ZIP code that serves the broader community. This arrangement is common when USPS assigns a distinct ZIP to a specific facility or high-volume mail recipient.
The post office at this location maintains 302 PO Boxes and serves 173 business delivery points. That's a notable business concentration for a ZIP with zero recorded residential population. All 84 street-level delivery records point to a single address: Dale Avenue, with unit designators. The single-building pattern and business focus suggest this ZIP serves a commercial complex or office park rather than a residential neighborhood.
Gloucester itself is a historic fishing port on Cape Ann, about 30 miles northeast of Boston. Residents throughout Gloucester have street delivery available through ZIP 01930, so this isn't a PO Box Only Zone. ZIP 01931 exists to handle mail volume at one specific location while the surrounding community uses the standard Gloucester ZIP.
Only one street with unit designators suggests a commercial building or office complex.
ZIP Code 01931 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 71 people with an annual payroll of $2,701,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,892Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $765,000Source: CBP |
| Annual Payroll: | $2,701,000Source: CBP |
| # of Employees: | 71Source: CBP |
ZIP Code 01931 is located in Essex County, Massachusetts, within the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area (CBSA 14460) and Massachusetts's 6th Congressional District. This Metro area has a population of 4,552,402 people, about 0.00% of whom live in ZIP Code 01931, and is subdivided into the Cambridge-Newton-Framingham, MA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Boston-Cambridge-Newton, MA-NHSource: Census |
| CBSA Number: | 14460Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Cambridge-Newton-Framingham, MA (CBSA Div 15764)Source: Census |
| CBSA Population: | 4,552,402Source: Census |
| MSA: | Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 526.79 sq miSource: Census |
| PMSA: | Boston, MA-NH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2526150Source: Census |
| Place Name: | Gloucester city; MassachusettsSource: Census |
We could not locate which school district 01931 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.