Search by Phone Number

Search by Address

Phone Lookup For Area Code 423

What is the 423 area code?

State Tennessee
Time Zone Eastern Time

The 423 area code is located in the state of Tennessee, and according to Intelius data, covers roughly 1,865,328 phone numbers. Chattanooga Ninth St is the largest city within this area code with a population of about 374,682.

Have you received a call from a number with a 423 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.

Read our blog for more information about area codes!

Top cities in the (423) area code

  1. Chattanooga Ninth St
    County Hamilton
    Population 374,682
  2. Kingsport
    County Sullivan
    Population 160,820
  3. Johnson City North
    County Washington
    Population 136,172
  4. Charleston
    County Bradley
    Population 110,616

423 Stats

Number of Prefixes
752
Number of Cellphones
1,056,082
Number of Land Lines
809,246

Area Code (423) Prefixes

Prefix
COUNTY
City
CARRIER
TYPE
County McMinn
City Knoxville Main
Carrier Windstream
Type VoIP
County Monroe
City Tellico Plains
Carrier U.S. Cellular
Type Wireless, PCS, Cellular
County Hamblen
City Knoxville Main
Carrier Windstream
Type Landline
County Hamilton
City Chattanooga Ninth St
Carrier Verizon Wireless
Type Wireless, PCS, Cellular
County Hawkins
City Johnson City North
Carrier Verizon Business
Type Landline
County Washington
City Limestone
Carrier CenturyLink
Type Landline
County Hamblen
City Knoxville Main
Carrier T-Mobile
Type Wireless, PCS, Cellular
County Claiborne
City Knoxville Main
Carrier U.S. Cellular
Type Landline
County Hamilton
City Chattanooga
Carrier Verizon Wireless
Type Wireless, PCS, Cellular
County Monroe
City Knoxville Main
Carrier U.S. Cellular
Type Landline