ZIP Code 81102 in Alamosa, CO

Data Last Updated: February 1, 2026
City:Alamosa, Colorado
Names to Avoid:
Adams State College
County:Alamosa County
Timezone:Mountain (GMT -07:00)
Local Time:9:03:48 AM
Population:No Population Data
Area Code:719
Classification:Unique [Company/Government]
Coordinates:37.4708, -105.8796
Quick Link:
https://www.zip-codes.com/zip-code/81102/zip-code-81102.asp

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81102 - Adams State College

Alamosa, CO | Alamosa County | University

Adams State College

Entity TypeUniversity
LocationAlamosa, CO
CountyAlamosa
FacilityPost Office
Coordinates37.4718, -105.8807
CoverageSingle point (Coordinates mark the primary delivery location)
Key Facts
  • Exclusive ZIP dedicated to campus mail
  • Mail processed at dedicated Post Office
  • Home to Adams State College
  • Delivers to 1 business address (no residential delivery)
Entity Type
University
Facility
Post Office
Coordinates
37.4718, -105.8807
Buildings
1

About ZIP Code 81102

Adams State University operates under dedicated ZIP code 81102 in Alamosa County, Colorado. Founded in 1921 as a teacher's college, this public university occupies a 90-acre campus in the heart of the San Luis Valley. The institution has grown from its normal school origins to offer bachelor's degrees across 16 academic programs, plus master's degrees and a doctoral program. Adams State's Grizzlies athletic teams compete in the Rocky Mountain Athletic Conference and have won an impressive 222 conference championships and 64 national championships.

This unique postal designation has served the university for more than two decades. The compact campus keeps all academic and residential buildings on contiguous grounds, simplifying mail delivery. Two delivery codes route correspondence to Adams State College facilities. Census demographic data is not separately reported for this ZIP code. Alamosa is the valid mailing city for university correspondence.

Delivery Points
Residential:0
Business:1

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Adams State College on Adams State College

Address Format

[Recipient Name]
[Street Address]
ALAMOSA, CO 81102

Business & Employment Statistics


ZIP Code 81102 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:2,300Source: 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

Geography, Land Area, & Statistical Classifications


ZIP Code 81102 is located in Alamosa County, Colorado, within the Alamosa, CO Metropolitan Statistical Area (CBSA 10480) and Colorado's 3rd Congressional District. This Micro area has a population of 0 people, about 0.00% of whom live in ZIP Code 81102. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Alamosa, COSource: Census
CBSA Number:10480Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:03Source: USPS
Congressional Land Area:49731.77 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0801090Source: Census
Place Name:Alamosa city; ColoradoSource: Census

Adjacent & Nearby ZIP Codes


81120 | | 81101

Schools in ZIP Code 81102


We could not locate which school district 81102 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.

Alamosa Online 209 Victoria Ave
Alamosa, CO 81101
District: Alamosa School District RE-11JNearby
Alamosa Alternative Education School 209 Victoria Ave
Alamosa, CO 81101
District: Alamosa School District RE-11JNearby
Alamosa Elementary School K-2 1707 West 10th Street Building A
Alamosa, CO 81101
District: Alamosa School District RE-11JNearby
Ortega Middle School 401 Victoria Avenue
Alamosa, CO 81101
District: Alamosa School District RE-11JNearby
Alamosa Elementary School 3-5 1709 West 10th Street Building B
Alamosa, CO 81101
District: Alamosa School District RE-11JNearby
Trinity Lutheran School 52 El Rio Dr
Alamosa, CO 81101
District: Private SchoolNearby
Pagosa Valor Academy 264 Village Dr
Pagosa Springs, CO 81147
District: Private SchoolNearby
St Francis Of Assisi School 21 County Road 356
Lumberton, NM 87528
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 81102


Adams State University 208 Edgemont Blvd
Alamosa, CO 81101
Type: Post Secondary
Trinidad State College 600 Prospect Street
Trinidad, CO 81082
Type: Post Secondary
University Of New Mexico-Taos Campus 1157 County Road 110
Ranchos De Taos, NM 87557
Type: Post Secondary
Pueblo Community College 900 W Orman Ave
Pueblo, CO 81004-1499
Type: Post Secondary
Colorado State University Pueblo 2200 Bonforte Blvd
Pueblo, CO 81001-4901
Type: Post Secondary
Western Colorado University 1 Western Way
Gunnison, CO 81231
Type: Post Secondary

Sources & References


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 February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov