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 Sullivan
City Kingsport East
Carrier T-Mobile
Type VoIP
County Hamilton
City Chattanooga Hamilton
Carrier AT&T Southeast
Type Landline
County Hawkins
City Surgoinsville
Carrier Neutral Tandem
Type Landline
County Morgan
City Wartburg
Carrier Highland Telephone Cooperative
Type Landline
County Hawkins
City Knoxville Main
Carrier Verizon Business
Type Wireless, PCS, Cellular
County Washington
City Fall Branch
Carrier CenturyLink
Type Landline
County Sullivan
City Sullivan Gardens
Carrier Comcast
Type Landline
County Sullivan
City Johnson City North
Carrier Commio
Type VoIP
County Monroe
City Sweetwater
Carrier Verizon Wireless
Type VoIP
County Campbell
City Knoxville Main
Carrier Windstream
Type Wireless, PCS, Cellular