Located in the Eastern (GMT -05:00) time zone. Area code 423 serves the state of Tennessee. This area code was assigned on November 22nd, 1994. On September 11th, 1995 it went into service. 423 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.
Information for Area Code 423
Area Code
423
Country
United States
State
Tennessee (TN)
Major City
Chattanooga
Time Zone
Eastern (GMT -05:00)
Population
1,275,936
White Population
1,159,531
Black Population
85,187
Hispanic Population
18,915
Asian Population
7,639
Hawaiian Population
389
Indian Population
3,344
Other Population
7,976
Male Population
620,867
Female Population
655,069
Avg House Value
$72,145.39
Avg Household Income
$30,907.60
Avg Persons Per Household
2.46
Median Age
37.77
Median Age (Male)
36.56
Median Age (Female)
38.95
List of Cities in Area Code Overlay Complex 270
Robbins
Huntsville
Blountville
Chattanooga
Whitwell
Mosheim
Bristol
Charleston
Fall Branch
Johnson City
Cleveland
Jasper
Greeneville
Sunbright
Athens
Butler
Elizabethton
Mountain City
Kingsport
Hampton
Sneedville
Newport
Riceville
Unicoi
Shady Valley
Morristown
Erwin
Pikeville
Niota
Dayton
La Follette
Sweetwater
Oneida
Bluff City
Englewood
Dunlap
Bulls Gap
Farner
Madisonville
Ooltewah
Limestone
Clairfield
Apison
New Tazewell
Vonore
Surgoinsville
Spencer
Soddy Daisy
Cumberland Gap
Jonesborough
Deer Lodge
Rogersville
Church Hill
Roan Mountain
Etowah
Jellico
Sequatchie
Grandview
South Pittsburg
Benton
Wartburg
Decatur
Mcminn
Afton
Jacksboro
Tellico Plains
Speedwell
Hartford
Georgetown
Copperhill
Oakdale
List of Zip Codes in Area Code 423
37814
37813
37757
37714
37766
37615
37601
37604
37331
37663
37664
37450
37408
37402
37403
37385
37617
37692
37329
37841
37307
37620
37317
37391
37333
37412
37411
37421
37665
37660
37642
37645
37347
37380
37374
37857
37616
37873
37711
37302
37821
37363
37323
37311
37312
37752
37724
37870
37303
37681
37825
37885
37650
37874
37743
37745
37640
37321
37683
37656
37354
37643
37869
37756
37840
37887
37829
37416
37406
37343
37304
37379
37322
37310
37367
37729
37337
37381
37762
37405
37410
37409
37407
37618
37353
37879
37818
37370
37688
37658
37687
37753
37404
37415
37336
37332
37338
37327
37846
37826
37715
37852
37872
37397
37659
37341
37774
38585
37726
SPs and Telephone companies in Area Code 270
Highland Telephone Cooperative, Inc. - Tn
Telcove Operations, Inc. - Tn
Cellco Partnership Dba Verizon Wireless - Tn
Bellsouth Telecomm Inc Dba South Central Bell Tel
Bandwidth.com Clec, Llc - Tn
Usa Mobility Wireless, Inc.
New Cingular Wireless Pcs, Llc - Ga
United Telephone-southeast-tn Dba Centurylink - Tn
Centurytel Acq Llc Dba Centurylink Acquisition Tn
Level 3 Communications, Llc - Tn
Suncom Dba T-mobile Usa
Network Telephone Corporation - Tn
Charter Fiberlink - Tennessee, Llc - Tn
Telescan, Inc. - Tn
Electric Power Board Of Chattanooga
Na Communications, Inc.
Us Lec Of Tennessee, Inc
United States Cellular Corp. - Tennessee
Comcast Phone Of Tennessee, Llc - Tn
Skyline Telephone Membership Corp.
Powertel Nashville Licenses, Inc.
Centurytel Solutions - Tn Dba Centurylink Sol - Tn
Telnyx Llc
Nuvox Communications
Deltacom, Inc. - Tn
Metro Pcs, Inc.
Bledsoe Telephone Cooperative
Tellico Telephone Co., Inc.
Centurylink Communications Llc
Alec, Llc - Tn
East Tennessee Network, Llc - Tn
Bristol Tennessee Essential Services - Tn
Brooks Fiber Communications Of Tennessee, Inc.- Tn
Sprint Spectrum L.p.
Cellular Page
Etc Communications, Llc - Tn
Mountainet Telephone Company-va
Mrstwn Ut Comm Dba Mrstwn Ut Sys Fibernet - Tn
Ymax Communications Corp. - Tn
At&t Local
At&t Corp.
365 Wireless, Llc
Centurytel Of Clairborne Dba Centurylink-claiborne
Neutral Tandem-tennessee, Llc - Tn
Scott County Telephone Cooperative, Inc.
Peerless Network Of Tennessee, Llc - Tn
Birch Communications, Inc. - Tn
Tcg Midsouth, Inc. - Tn
Windstream Norlight, Inc. - Tn
Powertel Atlanta Licenses, Inc.
Si Wireless, Llc
Pagepro Corporation
Centurytel Ooltewah-collegedale Dba Centurylink
Pro Page Partners, Llc
Skybest Communications, Inc. - TN
Pager One Of Florida - Tennessee
Twin Lakes Communications, Inc. - Tn
Business Telecom Inc. - Bti - Tn
Covista, Inc. - Tn
Metro Beeper Service, Inc.
Peace Communications, Llc - Tn
Brooks Fiber Communications Of Tennessee, Inc.- TN