| City: | Portsmouth, New Hampshire |
| Names to Avoid: | Air National Guard |
| County: | Rockingham County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:48:33 PM |
| Population: | No Population Data |
| Area Code: | 603 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 43.0719, -70.7632 |
| Quick Link: |
The New Hampshire Air National Guard operates under dedicated ZIP code 03803 in Portsmouth, Rockingham County. Pease Air National Guard Base is home to the 157th Air Refueling Wing, which operates KC-46A Pegasus aerial refueling aircraft. The base occupies approximately 220 acres of the former Pease Air Force Base, a Strategic Air Command facility that closed in 1991. The 157th ARW became the first Air National Guard unit to receive the new Boeing KC-46 Pegasus in 2014.
Postal records show 1 delivery code for this military facility. This ZIP has been active since before October 2004. Census demographic data is not available for this military installation. Portsmouth is the valid mailing city.
ZIP Code 03803 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # 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: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 03803 is located in Rockingham County, New Hampshire, within the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area (CBSA 14460) and New Hampshire's 1st Congressional District. This Metro area has a population of 4,917,661 people, about 0.00% of whom live in ZIP Code 03803, and is subdivided into the Rockingham County-Strafford County, NH 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: | Rockingham County-Strafford County, NH (CBSA Div 40484)Source: Census |
| CBSA Population: | 4,917,661Source: 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: | Portsmouth-Rochester, NH-ME PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3362900Source: Census |
| Place Name: | Portsmouth city; New HampshireSource: Census |
We could not locate which school district 03803 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.