| City: | Manchester, New Hampshire |
| County: | Hillsborough County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:56:12 PM |
| Population: | No Population Data |
| Area Code: | 603 |
| Classification: | PO Box |
| Coordinates: | 42.9956, -71.4556 |
| Quick Link: |
ZIP code 03105 serves downtown Manchester, New Hampshire, as a specialized business and PO Box facility. This ZIP doesn't cover residential neighborhoods. Instead, it operates as a commercial mail center within New Hampshire's largest city.
The post office at this location maintains 330 PO Boxes alongside business delivery services. All mail addressed to street locations in 03105 goes to a single address on Elm Street, Manchester's historic main commercial corridor. The 292 delivery records for Elm Street contain unit designators, indicating a multi-tenant commercial building rather than traditional street-by-street delivery.
With 14 business establishments employing 372 workers, this ZIP serves as a concentrated commercial zone. The facility provides city carrier delivery to business addresses while offering PO Box services for individuals and companies preferring box delivery. Manchester residents using PO Boxes at this location live in surrounding residential ZIP codes like 03101, 03102, 03103, and 03104.
This arrangement is common in urban post offices. The PO Box classification dates to before October 2004, when USPS began tracking ZIP introduction dates. While classified as a PO Box ZIP, the location offers both box rental and business delivery services, functioning as a commercial mail hub for downtown Manchester.
Only one street address (Elm Street) with 292 unit-based delivery points in a multi-tenant commercial building.
ZIP Code 03105 supports both business and residential activity. According to the Business Census (2024), there are 16 business establishments, employing about 321 people with an annual payroll of $18,196,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,844Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 16Source: CBP |
| 1st Quarter Payroll: | $3,900,000Source: CBP |
| Annual Payroll: | $18,196,000Source: CBP |
| # of Employees: | 321Source: CBP |
ZIP Code 03105 is located in Hillsborough County, New Hampshire, within the Manchester-Nashua, NH Metropolitan Statistical Area (CBSA 31700) and New Hampshire's 1st Congressional District. This Metro area has a population of 400,721 people, about 0.00% of whom live in ZIP Code 03105. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Manchester-Nashua, NHSource: Census |
| CBSA Number: | 31700Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 400,721Source: Census |
| MSA: | Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 2463.65 sq miSource: Census |
| PMSA: | Manchester, NH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3345140Source: Census |
| Place Name: | Manchester city; New HampshireSource: Census |
We could not locate which school district 03105 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.