03103
ZIP 03103 is in Manchester, New Hampshire, mostly in Hillsborough County; area code 603; Eastern time. Manchester has 8 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Hillsborough +1 more
- Metro area
- Manchester-Nashua, NH
- Population
- 37,775
- Coordinates
- 42.9561, -71.4424
Weather right now
Asking the National Weather Service…
Where 03103 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 03103 into a pocket calculator and turn it upside down: EOIEO — not quite a word, sorry.
- ➕ As a number, 3,103 = 29 × 107. Its digits add up to 7, a total 150 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110000011111 - 🏠 Its numerical neighbours: 03102 (Manchester, NH, 5 mi away) and 03104 (Manchester, NH, 4 mi away).
- 🔄 Backwards, 03103 becomes 30130, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (01033, 01330, 03031, 03301, 10033, 10303, …). The farthest-flung twin is 33001 in Long Key, FL, 1,360 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther east than 95%.
- 🎯1,417 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03103 and you would come out at 42.96°S, 108.56°E — 859 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 00m.
- 📏 At 9.2 square miles of land, 03103 is bigger than 26% of ZIP codes — room for about 7.0 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 37,775This ZIP37,775 |
|---|---|
| Households | 15,217This ZIP15,217 |
| Housing units | 16,073This ZIP16,073 |
| Median age | 38.3This ZIP38.3New Hampshire43.3US 38.9 |
| Median household income | $73,540This ZIP$73,540New Hampshire$99,031US $80,734 |
| Median home value | $342,200This ZIP$342,200New Hampshire$402,500US $332,700 |
| Median gross rent | $1,436This ZIP$1,436New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 23.8%This ZIP23.8% |
| Mean commute | 23.8 minThis ZIP23.8 min |
| Population density | 4,111.8 / sq miThis ZIP4,111.8 / sq mi |
Business and tax activity
| Business establishments | 1,090This ZIP1,090 |
|---|---|
| Employees | 23,480This ZIP23,480 |
| Annual payroll | $1,512,648,000This ZIP$1,512,648,000 |
| Tax returns filed | 18,850This ZIP18,850 |
| Total adjusted gross income | $1,092,859,000This ZIP$1,092,859,000 |
Land area
| Land area | 9.19 sq miThis ZIP9.19 sq mi |
|---|---|
| Water area | 0.37 sq miThis ZIP0.37 sq mi |
Counties 03103 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Hillsborough County | 97.2% |
| Rockingham County | 2.8% |
Other place names in 03103
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03103
| ZIP | City | Distance |
|---|---|---|
03109 | Manchester, NH | 2.2 mi |
03101 | Manchester, NH | 2.6 mi |
03105 | Manchester, NH | 2.8 mi |
03108 | Manchester, NH | 2.8 mi |
03111 | Manchester, NH | 2.8 mi |
03104 | Manchester, NH | 3.7 mi |
03102 | Manchester, NH | 4.6 mi |
03032 | Auburn, NH | 4.7 mi |
03110 | Bedford, NH | 5.0 mi |
03053 | Londonderry, NH | 6.7 mi |
Find every ZIP code within 10 miles of 03103 →
Questions about this ZIP code
Where is ZIP code 03103?
03103 is in Manchester, New Hampshire, in Hillsborough County, part of the Manchester-Nashua, NH metropolitan area. Its published point location is 42.9561, -71.4424.
What county is 03103 in?
03103 spans 2 counties: Hillsborough County and Rockingham County. Most of it falls in Hillsborough County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 03103?
Manchester uses area code 603, from NANPA's telephone records.
What time zone is 03103 in?
03103 uses America/New_York.
How many people live in 03103?
About 37,775 people live in ZIP code 03103, in 15,217 households, at 4,111.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 03103?
$73,540 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03103?
The closest are 03109 (2.2 mi), 03101 (2.6 mi), 03105 (2.8 mi), 03108 (2.8 mi) and 03111 (2.8 mi).
Is 03103 a PO Box ZIP code?
03103 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03103 ZIP Code — Manchester, New Hampshire (Hillsborough County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03103
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03103.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.