Find out who called from an unknown Centennial number using our free reverse phone lookup. Enter any 10-digit number with area code 303 or 720 to search for caller name, address, and more.
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6638 S Nome St, Centennial, CO 80111
Got a phone call or message from a Centennial, Colorado phone number you don't recognize? Before you answer, call back, or reply, use our phone number lookup service to find out who's really on the other end, is it a scam, legitimate business or someone you'd rather avoid.
The total population of Centennial, CO, is 108,418. That's thousands of potential callers you might not recognize: local business contacts, neighbors, service providers, or people from across the city.
An unknown caller could be anyone — a sales call, an old friend, someone you actually want to talk to. Without caller identification, you either ignore potentially important calls or answer ones you'd rather avoid.
Scam and spam calls continue to impact CO residents which, according to the National Do Not Call Registry Data Book, filed 41,173 complaints about unwanted calls in 2024. Of these, 21,841 were robocalls and 15,876 involved live callers. The top complaint topics included imposters (4,409), reducing debt (4,149), medical and prescriptions (2,244).
According to FTC 2024 data, CO residents reported 44,945 fraud cases in 2024, resulting in $210,727,907 in losses, with a median loss of $500 per victim. Given that more than 1 in 3 fraud attempts occur over the phone, verifying who is calling is critical for preventing financial losses.
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov .
Additionally, protect your household by registering your phone numbers at donotcall.gov or by calling 1-888-382-1222 from the number you wish to register.
Have you received a call from a business but aren’t sure if it’s really them? Centennial is primarily located in Arapahoe County, which, according to U.S. Census Bureau data, includes 17,416 firms and 20,149 establishments employing 307,086 people.
| County | Percent of City | Firms | Establishments |
|---|---|---|---|
| Arapahoe | 100.00% | 17416 | 20149 |
Use our service to reverse-lookup unknown Colorado phone numbers to verify whether they actually belong to a company before answering or calling back. By cross-referencing phone numbers with local business directories, you can ensure you’re dealing with legitimate local businesses, services, contractors, or vendors—not scammers spoofing local numbers to gain your trust.
Centennial area codes are 303, 720.
Phone numbers reported as unwanted calls to the FTC by Centennial residents in the last 30 days.
(877) 578-4104
Reducing your debt (credit cards, mortgage, student loans)
8 reports ·
(866) 398-3898
Reducing your debt (credit cards, mortgage, student loans)
4 reports ·
(866) 386-5598
Reducing your debt (credit cards, mortgage, student loans)
3 reports ·
(855) 994-1953
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(855) 524-7850
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(270) 870-1194
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(838) 529-9709
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(350) 205-9530
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(719) 212-8359
Reducing your debt (credit cards, mortgage, student loans)
1 report ·
(970) 499-8939
Dropped call or no message
1 report ·
If you receive fraudulent calls or suspect a scam attempt, report it to reportfraud.ftc.gov .
Local Time
02:20 AM
Date
Tuesday, April 14, 2026
Time Zone
MDT
Centennial has a population of 108418 people. Sex ratio is 101.60 males per 100 females.
The median age in Centennial is 34.8 years.
| Age Groups | Population |
|---|---|
| Under 5 years | 6106 |
| 5 to 9 years | 7522 |
| 10 to 14 years | 7677 |
| 15 to 19 years | 6460 |
| 20 to 24 years | 5123 |
| 25 to 29 years | 6484 |
| 30 to 34 years | 6504 |
| 35 to 39 years | 7652 |
| 40 to 44 years | 8380 |
| 45 to 49 years | 7989 |
| 50 to 54 years | 7538 |
| 55 to 59 years | 8431 |
| 60 to 64 years | 7792 |
| 65 to 69 years | 5950 |
| 70 to 74 years | 4579 |
| 75 to 79 years | 3090 |
| 80 to 84 years | 1692 |
| 85 years and over | 2362 |
| Racial/Ethnic Groups | Percent |
|---|---|
| White | 84109 |
| Black or African American | 3662 |
| American Indian and Alaska Native | 487 |
| Native Hawaiian and Other Pacific Islander | 130 |
| Some Other Race | 2776 |
| Two or more races | 10360 |