ZIP code 81120
Where is ZIP code 81120?
Antonito, Colorado
Conejos County · Standard ZIP code
ZIP code 81120 belongs to Antonito, Colorado in Conejos County. 81120 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 575, 719 and 970. About 1,832 people live in the 81120 area, where the median household income is $47,546. The closest ZIP codes are 81129 (Conejos, 1.2 mi northeast), 81148 (Romeo, 6.6 mi northeast) and 81141 (Manassa, 8.7 mi northeast).
| ZIP code | 81120 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Antonito |
| State | Colorado (CO) |
| County | Conejos County |
| Time zone | Mountain Time · now |
| Area codes | 575, 719, 970 |
| Coordinates | 37.0855, -106.0379 map |
| 3-digit prefix | 811 |
Population and income in 81120
| Population | 1,832 · lower than 56% of Colorado ZIP codes |
|---|---|
| People per square mile | 2 · lower than 84% of Colorado ZIP codes |
| Median age | 51.9 years · higher than 79% of Colorado ZIP codes |
| Men / women | 56% / 44% |
| Median household income | $47,546 · lower than 92% of Colorado ZIP codes |
| Income per person | $33,271 |
| Below the poverty line | 14% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $188,200 · lower than 90% of Colorado ZIP codes |
| Median rent | $813 a month |
| Housing units | 1,636 |
| Households | 887 (2.04 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 893.53 sq mi (plus 3.32 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 81120. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 81120
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 81129 | Conejos, CO | 1.2 mi NE | PO Box only |
| 81148 | Romeo, CO | 6.6 mi NE | PO Box only |
| 81141 | Manassa, CO | 8.7 mi NE | PO Box only |
| 81151 | Sanford, CO | 14 mi NE | Standard |
| 81140 | La Jara, CO | 14.3 mi N | Standard |
| 81124 | Capulin, CO | 14.3 mi N | PO Box only |
| 87524 | Costilla, NM | 22.8 mi SE | PO Box only |
| 81138 | Jaroso, CO | 23.5 mi E | PO Box only |
| 81101 | Alamosa, CO | 28 mi N | Standard |
| 81102 | Alamosa, CO | 28.3 mi N | Unique |
| 87577 | Tres Piedras, NM | 30.5 mi S | PO Box only |
| 81152 | San Luis, CO | 30.9 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 81120 or measure the distance to another ZIP code.
How to address mail to 81120
123 MAIN ST
ANTONITO CO 81120
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Espinoza, Florida, Fox Creek, La Isla and Las Mesitas and other local names: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (81120-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 81120?
- 81120 is a Antonito, Colorado ZIP code.
- What county is 81120 in?
- ZIP code 81120 is in Conejos County, Colorado.
- What time zone is ZIP code 81120 in?
- 81120 is in the Mountain Time zone (America/Denver).
- What area code is 81120?
- Phone numbers in ZIP code 81120 use area codes 575, 719 and 970.
- What is the population of ZIP code 81120?
- About 1,832 people live in ZIP code 81120, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 81120?
- The median household income in 81120 is $47,546 a year, lower than 92% of Colorado ZIP codes.
- What ZIP codes are near 81120?
- The nearest ZIP codes to 81120 are 81129 (Conejos, 1.2 miles), 81148 (Romeo, 6.6 miles), 81141 (Manassa, 8.7 miles) and 81151 (Sanford, 14 miles).