| City: | Portland, Maine |
| Names to Avoid: | Union Mutual Life Ins |
| County: | Cumberland County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 3:59:09 PM |
| Population: | No Population Data |
| Area Code: | 207 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 43.6615, -70.2555 |
| Quick Link: |
Unum, formerly known as Union Mutual Life Insurance, operates under dedicated ZIP code 04122 in Portland, Cumberland County, Maine. Founded in 1848 and chartered in Maine, Union Mutual relocated from Boston to Portland in 1881. The company was the first major mutual insurance company to demutualize in 1986, beginning to trade on the NYSE as Unum. After merging with Provident in 1999, the company relocated its headquarters to Chattanooga, Tennessee in 2002, but maintains significant operations in Portland.
Postal records show 2 delivery codes routing to Unum on Congress Street. Census County Business Patterns reports 3 establishments employing 16 workers. This ZIP has been active since before October 2004. Census demographic data is not available. Portland is the valid mailing city.
| Establishments: | 3 |
| Employment: | 16 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 04122 supports both business and residential activity. According to the Business Census (2023), there are 3 business establishments, employing about 23 people with an annual payroll of $998,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $234,000Source: CBP |
| Annual Payroll: | $998,000Source: CBP |
| # of Employees: | 23Source: CBP |
ZIP Code 04122 is located in Cumberland County, Maine, within the Portland-South Portland, ME Metropolitan Statistical Area (CBSA 38860) and Maine's 1st Congressional District. This Metro area has a population of 557,764 people, about 0.00% of whom live in ZIP Code 04122. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Portland-South Portland, MESource: Census |
| CBSA Number: | 38860Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 557,764Source: Census |
| MSA: | Portland, ME MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 3285.52 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2360545Source: Census |
| Place Name: | Portland city; MaineSource: Census |
We could not locate which school district 04122 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.