Who called from a 303 number? Look up any Colorado phone number for free.
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Denver, Boulder, and Aurora fall within the 303 area code, the established code for Colorado's most populous corridor. Federal benefits administrators from the Denver Federal Center, DaVita dialysis schedulers, and University of Colorado Boulder alumni callers are among the most frequent contacts.
303 area code numbers reported as unwanted calls to the FTC in the last 30 days.
| Phone Number | Complaints | Last Reported |
|---|---|---|
| (303) 219-1021 | ||
| (303) 285-8594 | ||
| (303) 879-0616 | ||
| (303) 351-3573 | ||
| (303) 329-0570 | ||
| (303) 218-5412 | ||
| (303) 429-8101 | ||
| (303) 255-8743 | ||
| (303) 617-6366 | ||
| (303) 867-9923 |
Residents are seeing a spike in 303 area code calls involving fake FedEx delivery issues and Xcel Energy shut-off threats. These scammers want to panic you into paying immediate fees to avoid losing your power or packages.
"Fake FedEx phone call . Call from this phone number saying there was a problem with a FedEx delivery asking me to call back on an 833 phone number and give them my information AND tracking number. When i called a verified FedEx number, they indicated that they DO NOT ask people to call back any number except their published **800** phone number."
"Got a call from 303-442-8428 saying electricity would be turned off if I didn't pay, prompt to press 1 and I told the guy he was scamming me, my account is paid. Got online and checked balance also called xcel and this is a scam"
"A women called looking for my husband. She said I have a tax lien. I told her I was not discussing anything with her. I will contact the IRS. I know I do not have one. She told me have fun paying 27000 dollars. Very rude. Be careful if they call you."
"Received a voicemail from this number claiming that my SSN was suspended and I needed to call them or face federal charges."
"calling after 8 pm robo call saying to press # if you wish to keep your government benefits or press# to speak to a representative"
"Asked for business owner by name. When I asked him who he was, he just said he was from 'Tucker Group.' When I asked about the reason for the call, he said 'Just get *owner name* on the phone,' so I hung up on him. Bastard."
"left voice message for vehicle warranty expiration. That number in the voice message was 470-650-8272 - Britney"
Phone numbers with the 303 area code prefix originate from the north-central portion of Colorado. This region specifically comprises the metropolitan areas of Denver and Boulder, along with their surrounding suburbs. It represents the primary numbering plan area for the state's Front Range, a densely populated region.
The 303 area code operates as part of an overlay complex with area codes 720 and 983 , serving the same geographic region. Area code 303 was the original area code for the entire state of Colorado, introduced in 1947, and later reduced in geographic extent. Area code 720 was added as an overlay on September 1, 1998, followed by area code 983, which was activated on June 17, 2022. Due to this overlay system, ten-digit dialing is required for all calls made within this service area.
No, 303 is a legitimate area code serving the Front Range of Colorado, including Denver and Aurora. Scammers spoof 303 numbers to appear local to Colorado residents who recognize the familiar prefix.
Xcel Energy impersonation is highly localized here: callers threaten to shut off electricity within 45 minutes and demand immediate payment. IRS arrest-warrant calls using fake agent names and threatening $27,000 tax liens, and fake FedEx delivery address-harvesting scams, round out the dominant patterns.