Ready-to-Use Colorado Address Examples
Two fixed samples below follow the United States writing convention for Colorado — field order, postcode length and area codes all match the real structure, so you can copy them and swap the digits:
Example 1:
2640 Washington St
Pueblo, CO 81029
United States
Example 2:
539 South Pl, Bldg 153
Pueblo, CO 81023
United States
House numbers and street names are random, but the city, state abbreviation and postcode prefix come from real Colorado ranges, so format validation passes — that does not make them real residents.
Key Cities and Matching Zip Code Blocks
- Denverpostcode: 800xx, 801xx, 802xx
- Colorado Springspostcode: 808xx, 809xx
- Aurorapostcode: 800xx
- Fort Collinspostcode: 805xx
- Boulderpostcode: 803xx
- Pueblopostcode: 810xx
- Greeleypostcode: 806xx
- Grand Junctionpostcode: 815xx
Shown are postcode segments; generate complete codes with the generator above.
Parsing Colorado Postal and Area Code Rules
Addresses in Colorado follow the standard United States layout: house number first, street name second, then a city such as Denver, Colorado Springs, Aurora, the fixed state abbreviation CO, and finally a postcode in the 800xx–816xx shape, with the country line only for international mail. Postcode prefixes and area codes (303、719、720、970) are allocated to Colorado specifically — mismatching the prefix across regions is the most common cause of form rejections.
United States postcodes are 5 digits. Colorado is assigned 17 allocated prefixes (800xx, 801xx, 802xx, 803xx and more) spanning 800xx–816xx. The prefix must match the state; a mismatched prefix is the most common reason a form rejects an address.
Fast Facts About Denver and Colorado Taxes
- Colorado has the highest average elevation of any state, around 6,800 feet.
- Denver, the "Mile High City," sits exactly 5,280 feet above sea level.
- The capital of Colorado is Denver, and the largest city is Denver.
- Colorado levies a base state sales tax of about 2.9% (actual rates vary by county and city).
- This region covers 8 popular cities, each with its own postcode prefixes and area codes.
Compiled from public sources to help you understand the region's address format and background. Generated addresses are for testing only.
FAQs on Local Data and Validation
What is the sales tax rate in Colorado?
The base state sales tax is about 2.9%, with county, city and special-district surtaxes stacked on top at checkout — the final price depends on the postcode. Test against a tax-free state such as Oregon or Delaware to compare.
Which area codes does Colorado use?
Relevant area codes include 303、719、720、970, inside country code +1. Generated numbers use these prefixes in the correct local grouping but will not connect.
Will a Colorado address pass form validation?
It passes format validation: city, state abbreviation and postcode prefix all come from real Colorado ranges (800xx–816xx). Format checks (regex, digit count, dropdown values) will pass; strict third-party address verification APIs may not resolve a street.
Are the generated Colorado addresses real?
No. The format follows United States conventions, but the house number, street and residents are randomly assembled sample data for development and form-filling only.
Can I generate Colorado addresses in bulk?
Yes. On the homepage switch to the "Batch" tab, select United States and Colorado, then export hundreds of addresses as CSV or JSON at once.
Is my data uploaded to a server?
No. Everything is generated locally in your browser, nothing is sent anywhere, and it is cleared when you close the page.
All addresses generated on this site are random sample data for development, testing and learning only — they do not represent real locations.