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NDC: 423

This is the National Destination Code(NDC):423 page list. Its detail is as below.
Area code 423 was first put in service September 11, 1995. In 1999, area code 423 was split, and some of the phone numbers had to be updated to area code 865 on that date. Currently, the largest city it serves is Chattanooga, TN, and it overlaps coverage areas with area code .
Prefix State Primary city Usage Carrier
(423) 409- Tennessee Bulls Gap Wireless Usa Mobility Wireless
(423) 410- Tennessee Johnson City Wireless United Telephone-southeast-tn DBA Centurylink
(423) 412- Tennessee Johnson City Wireless Usa Mobility Wireless
(423) 413- Tennessee Chattanooga Wireless Cellco Partnership DBA Verizon Wireless
(423) 414- Tennessee Chattanooga Landline Peace Communications
(423) 415- Tennessee Newport Wireless Cellco Partnership DBA Verizon Wireless
(423) 416- Tennessee Kingsport Wireless Cellco Partnership DBA Verizon Wireless
(423) 418- Tennessee Kingsport Wireless Cellco Partnership DBA Verizon Wireless
(423) 419- Tennessee Cumberland Gap Wireless Cellco Partnership DBA Verizon Wireless
(423) 420- Tennessee Madisonville Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 421- Tennessee Chattanooga Wireless Sprint Spectrum L.p.
(423) 422- Tennessee Mosheim Landline United Telephone-southeast-tn DBA Centurylink
(423) 424- Tennessee Chattanooga Landline Us Lec Of Tennessee, Inc
(423) 425- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 426- Tennessee Limestone Wireless Cellco Partnership DBA Verizon Wireless
(423) 427- Tennessee Madisonville Wireless Usa Mobility Wireless
(423) 428- Tennessee Dayton Landline Deltacom
(423) 429- Tennessee Kingsport Wireless New Cingular Wireless PCS - GA
(423) 430- Tennessee Johnson City Wireless 365 Wireless
(423) 431- Tennessee Johnson City Landline United Telephone-southeast-tn DBA Centurylink
(423) 432- Tennessee Chattanooga Landline Sprint Spectrum L.p.
(423) 433- Tennessee Johnson City Landline United Telephone-southeast-tn DBA Centurylink
(423) 434- Tennessee Johnson City Landline United Telephone-southeast-tn DBA Centurylink
(423) 435- Tennessee Athens Landline Level 3 Communications
(423) 436- Tennessee Madisonville Landline Level 3 Communications
(423) 437- Tennessee La Follette Landline Level 3 Communications
(423) 438- Tennessee Morristown Landline Level 3 Communications
(423) 439- Tennessee Johnson City Landline United Telephone-southeast-tn DBA Centurylink
(423) 440- Tennessee Elizabethton Wireless Cellco Partnership DBA Verizon Wireless
(423) 441- Tennessee Cumberland Gap Wireless Sprint Spectrum L.p.
(423) 442- Tennessee Madisonville Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 443- Tennessee Chattanooga Landline Level 3 Communications
(423) 444- Tennessee Limestone Wireless Cellco Partnership DBA Verizon Wireless
(423) 445- Tennessee Surgoinsville Landline AT&T Local
(423) 446- Tennessee Fall Branch Wireless Sprint Spectrum L.p.
(423) 447- Tennessee Pikeville Landline Bledsoe Telephone Cooperative
(423) 448- Tennessee Pikeville Wireless New Cingular Wireless PCS - GA
(423) 449- Tennessee La Follette Landline Deltacom
(423) 450- Tennessee Mosheim Landline Comcast Phone Of Tennessee
(423) 451- Tennessee Soddy Daisy Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 452- Tennessee Spring City Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 453- Tennessee Athens Landline Level 3 Communications
(423) 454- Tennessee Decatur Landline Level 3 Communications
(423) 455- Tennessee Jellico Landline Level 3 Communications
(423) 457- Tennessee Cleveld Wireless Cellco Partnership DBA Verizon Wireless
(423) 458- Tennessee Cleveld Wireless New Cingular Wireless PCS - GA
(423) 460- Tennessee Mountain City Landline Bandwidth.com Clec
(423) 461- Tennessee Johnson City Landline United Telephone-southeast-tn DBA Centurylink
(423) 462- Tennessee Riceville Landline Tellico Telephone Co.
(423) 463- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 464- Tennessee Cleveld Wireless Powertel Atlanta Licenses
(423) 465- Tennessee Newport Wireless New Cingular Wireless PCS - GA
(423) 467- Tennessee Kingsport Landline United Telephone-southeast-tn DBA Centurylink
(423) 468- Tennessee Chattanooga Landline Covista
(423) 469- Tennessee Newport Wireless Usa Mobility Wireless
(423) 470- Tennessee Greeneville Wireless Cellco Partnership DBA Verizon Wireless
(423) 471- Tennessee Mountain City Wireless New Cingular Wireless PCS - GA
(423) 472- Tennessee Cleveland Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 473- Tennessee Cleveland Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 474- Tennessee Butler Landline United Telephone-southeast-tn DBA Centurylink
(423) 475- Tennessee Chattanooga Wireless Sprint Spectrum L.p.
(423) 476- Tennessee Cleveland Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 477- Tennessee Kingsport Landline United Telephone-southeast-tn DBA Centurylink
(423) 478- Tennessee Cleveland Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 479- Tennessee Cleveland Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 480- Tennessee Kingsport Wireless Cellco Partnership DBA Verizon Wireless
(423) 481- Tennessee Roan Mountain Landline Bandwidth.com Clec
(423) 482- Tennessee Blountville Landline Level 3 Communications
(423) 483- Tennessee Johnson City Landline Cellco Partnership DBA Verizon Wireless
(423) 484- Tennessee Bristol Landline Level 3 Communications
(423) 485- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 486- Tennessee Chattanooga Wireless Cellco Partnership DBA Verizon Wireless
(423) 487- Tennessee Hartford Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 488- Tennessee Chattanooga Wireless New Cingular Wireless PCS - GA
(423) 489- Tennessee Cumberland Gap Wireless New Cingular Wireless PCS - GA
(423) 490- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 491- Tennessee Johnson City Landline Centurylink Communications LLC
(423) 492- Tennessee Morristown Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 493- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 494- Tennessee La Follette Wireless Cellco Partnership DBA Verizon Wireless
(423) 495- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 496- Tennessee Copperhill Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 499- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 502- Tennessee Kingsport Wireless Cellco Partnership DBA Verizon Wireless
(423) 503- Tennessee Chattanooga Landline Sprint Spectrum L.p.
(423) 504- Tennessee Chattanooga Landline Sprint Spectrum L.p.
(423) 505- Tennessee Chattanooga Landline Sprint Spectrum L.p.
(423) 506- Tennessee Athens Wireless Cellco Partnership DBA Verizon Wireless
(423) 507- Tennessee Athens Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 508- Tennessee Chattanooga Landline Teleport Communications America
(423) 509- Tennessee Chattanooga Landline Neutral Tandem-tennessee
(423) 510- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 512- Tennessee Elizabethton Wireless Cellco Partnership DBA Verizon Wireless
(423) 513- Tennessee Chattanooga Landline Usa Mobility Wireless
(423) 514- Tennessee Chattanooga Landline Usa Mobility Wireless
(423) 515- Tennessee Dayton Landline Network Telephone Corporation
(423) 516- Tennessee Kingsport Landline United Telephone-southeast-tn DBA Centurylink
(423) 517- Tennessee Chattanooga Landline Bellsouth Telecomm Inc DBA South Central Bell Tel
(423) 518- Tennessee Elizabethton Wireless Sprint Spectrum L.p.
(423) 519- Tennessee Tellico Plains Wireless United States Cellular Corp. - Tennessee