20701
ZIP 20701 is Annapolis Junction, Maryland, mostly in Howard County; area codes 443, 410 and 667; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Howard +1 more
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 513
- Coordinates
- 39.1325, -76.7883
Weather right now
Asking the National Weather Service…
Where 20701 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 20701 into a pocket calculator and turn it upside down: IOLOZ — not quite a word, sorry.
- ➕ As a number, 20,701 = 127 × 163. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101000011011101 - 🏠 Its numerical neighbours: 20697 (Southern Md Facility, MD, 21 mi away) and 20703 (Lanham, MD, 21 mi away).
- 🔄 Backwards, 20701 becomes 10702 — and that is a real ZIP code: Yonkers, NY, 197 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (00721, 01027, 01072, 01270, 01702, 01720, …). The farthest-flung twin is 00721 in Palmer, PR, 1,579 miles away.
- 🧭 Farther north than 50% of all ZIP codes, and farther east than 82%.
- 🎯1,160 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20701 and you would come out at 39.13°S, 103.21°E — 866 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
- 📏 At 2.2 square miles of land, 20701 is bigger than 12% of ZIP codes — room for about 1.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 513This ZIP513 |
|---|---|
| Households | 358This ZIP358 |
| Housing units | 358This ZIP358 |
| Median age | 30.4This ZIP30.4Maryland39.4US 38.9 |
| Median household income | $85,594This ZIP$85,594Maryland$103,678US $80,734 |
| Median gross rent | $2,139This ZIP$2,139Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 73.3%This ZIP73.3% |
| Mean commute | 32.8 minThis ZIP32.8 min |
| Population density | 233.1 / sq miThis ZIP233.1 / sq mi |
Business and tax activity
| Business establishments | 234This ZIP234 |
|---|---|
| Employees | 10,474This ZIP10,474 |
| Annual payroll | $1,323,564,000This ZIP$1,323,564,000 |
| Tax returns filed | 370This ZIP370 |
| Total adjusted gross income | $36,513,000This ZIP$36,513,000 |
Land area
| Land area | 2.20 sq miThis ZIP2.20 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Counties 20701 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Howard County | 54.1% |
| Anne Arundel County | 45.9% |
Other place names in 20701
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20701
| ZIP | City | Distance |
|---|---|---|
20794 | Jessup, MD | 1.4 mi |
20763 | Savage, MD | 1.7 mi |
20755 | Fort George G Meade, MD | 3.3 mi |
20724 | Laurel, MD | 3.6 mi |
21046 | Columbia, MD | 3.8 mi |
20709 | Laurel, MD | 4.0 mi |
20725 | Laurel, MD | 4.0 mi |
20726 | Laurel, MD | 4.0 mi |
20723 | Laurel, MD | 4.3 mi |
21076 | Hanover, MD | 4.4 mi |
Find every ZIP code within 10 miles of 20701 →
Questions about this ZIP code
Where is ZIP code 20701?
20701 is in Annapolis Junction, Maryland, in Howard County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.1325, -76.7883.
What county is 20701 in?
20701 spans 2 counties: Howard County and Anne Arundel County. Most of it falls in Howard 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 20701?
Annapolis Junction uses area codes 443, 410 and 667, from NANPA's telephone records.
What time zone is 20701 in?
20701 uses America/New_York.
How many people live in 20701?
About 513 people live in ZIP code 20701, in 358 households, at 233.1 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 20701?
$85,594 a year, against $103,678 across Maryland.
What ZIP codes are near 20701?
The closest are 20794 (1.4 mi), 20763 (1.7 mi), 20755 (3.3 mi), 20724 (3.6 mi) and 21046 (3.8 mi).
Is 20701 a PO Box ZIP code?
20701 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20701 ZIP Code — Annapolis Junction, Maryland (Howard County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20701
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20701.json Underlying data is public domain or openly licensed — sources, vintages and licences.