423 area code phone numbers reported to the FTC in the last 30 days:
| Phone Number | Complaints | Last Reported |
|---|---|---|
| (423) 557-4590 | ||
| (423) 822-2465 | ||
| (423) 633-1613 | ||
| (423) 899-0921 | ||
| (423) 960-1949 | ||
| (423) 597-8188 | ||
| (423) 597-8095 | ||
| (423) 247-4171 | ||
| (423) 477-3594 | ||
| (423) 793-7915 |
Scammers use 423 numbers for Social Security scams and aggressive car warranty calls. They try to sell you worthless service contracts or steal your personal information by posing as agents.
Claims SSN used for fraud near Texas border and threatens arrest to open fraudulent accounts.
"They wanted to suspend my number and told me two detectives would be at my door in the morning to issue me another one. Scammmm"
Relentless robocalls pushing vehicle protection plans, ignoring do-not-call requests.
"lady from this number called me. Told her we have told them several times we are not interested in their car warranty, and I hung up on her. She immediately called me back. I answered phone with the response of 'why are you calling me back?' She answered, 'to let you know we don't have a do not call list.'"
Threatens workplace document service and issues vague legal intimidation to extract fake debt payments.
"I received a message from this man stating that he had two complaints against me and that I needed to call another number with a case number. He then stated on the message that I needed to call back because it would be bad if he found me first."
Phishes for DOBs and identities by claiming victims have overdue prescriptions requiring immediate callback.
"Got a call from 423-822-2465 telling my prescription is overdue and asking me to call 855-708-3581 and a extension number I don't ever used CVS, that's a scam"
Threatens arrest or government takeover for back taxes, demanding untraceable payment methods.
"claimed to be IRS. asked for 7 thousand dollars or id go to jail and send police to my house. obviously fake and as soon as I questioned the person about it they hung up. Indian accent."
Threatens Medicare disqualification to force victims into accepting and billing for unnecessary back braces.
"This number calls my house about three-four times a day. They leave a recorded message that my braces are ready and if they don't hear from me, medicare will deny all future claims."
Threatens 30-minute power shutoffs to steal payment information via unusual payment methods.
"This number calls me once a month to tell me my electric is going to be shut off within the next 30min if I don't call and make a payment."
Area code 423 serves two disconnected areas of East Tennessee, separated by area code 865.
No other cities and towns are explicitly mentioned in the provided context.
Area code 423 is overlaid by area code 729 . Area code 423 was created in 1995. Area code 729 was approved on May 30, 2023. Permissive ten-digit dialing started on August 5, 2024, and becomes mandatory on August 5, 2025. Central office code activations for 729 may begin on September 5, 2025.
Eastern Tennessee, including Chattanooga, Kingsport, and Johnson City, is served by the 423 area code. BlueCross BlueShield of Tennessee support lines, Tennessee Valley Authority administrators, and Volkswagen Chattanooga plant recruiters are common callers.