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Area Code 423
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 423 (southeastern Tennessee).
Click on the pictures below for a larger version.
Athens
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
ATHNTNMADS0Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(423) 507, 649, 744-6Notes:
Source: Larry P. in AZ
Benton
Listing Updated:
September 2016Operating Company:
at&t/BellSouth/South Central BellCLLI:
BNTNTNMTRS0Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 338
(706) 328Notes:
Also serves Tennga, GA.
Source: Larry P. in AZ
Blountville
Listing Updated:
September 2012Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
BUVLTNXARS0Switch Type:
Genband/Nortel RSCPrefixes Served:
(423) 279, 323, 325, 354, 917Notes:
Source: Craig L. in AZ
Bulls Gap
Listing Updated:
September 2012Operating Company:
at&t/BellSouth/South Central BellCLLI:
BLGPTNMARS0Switch Type:
Nokia Networks EWSD RSUPrefixes Served:
(423) 235, 601Notes:
Source: Larry P. in AZ
Charleston
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTNTNMTRS0Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 336, 780Notes:
Source: Larry P. in AZ
Chattanooga
"Brainerd"
Listing Updated:
July 2008Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNBRDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 296, 485, 490, 499, 510, 553, 846, 855, 892-4, 899, 954
(706) 891Notes: Photo 2 is from the original photo set in March 2006, when this was a BellSouth office.
Chattanooga
"Dodds"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNDTDS0Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(423) 493, 495, 622, 624, 629, 697-8Notes:
CO building is behind a barbed wire fence.
Chattanooga
"Harrison"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNHTDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 326, 344Notes:
Chattanooga (Hixson)
"Middle Valley"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNMVDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 842-3, 847Notes:
Chattanooga
"Ninth Street"
Listing Updated:
July 2008Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNNSDS0
CHTGTNNSDS1Switch Type:
DS0: Genband/Nortel DMS-100
DS1: Alcatel/Lucent 5ESSPrefixes Served:
DS0: (423) 634
DS1: (423) (423) 209, 265-7, 321, 386, 425, 642, 668, 751-2, 755-7, 763, 778, 785
(706) 630Notes:
MLK Blvd. was originally Ninth Street, hence the name of the central office. Photos 4, 5 and 6 are from the original photo set in March 2006 when this was still a BellSouth office.
Chattanooga
"Red Bank"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNRBDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 870, 874-7Notes:
Chattanooga
"Saint Elmo"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNSEDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 821, 822, 825
(706) 820Notes:
Chattanooga
"Signal Mountain"
Listing Updated:
March 2006Operating Company:
at&t/BellSouth/South Central BellCLLI:
CHTGTNSMRS0 (Telcordia)
CHTGTNSMRS5 (NANPA)Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 517, 883, 886Notes:
Church Hill
Listing Updated:
June 2014Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
CHHLTNXARS0Switch Type:
Genband/Nortel RSCPrefixes Served:
(423) 256, 357Notes:
Source: Larry P. in AZ
Cleveland
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
CLEVTNMADS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 339, 472-3, 476, 478-9, 559, 614, 728, 961Notes:
Also serves the Georgetown ratecenter. Source: Larry P. in AZ
Elizabethton
Listing Updated:
July 2015Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
ELTNTNXADS0Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(423) 542-3, 547Notes:
Source: Larry P. in AZ
Englewood
Listing Updated:
September 2016Operatng Company:
TDS Telecom/Tellico TelephoneCLLI:
ENWDTNXADS1Switch Type:
Digital Switch (unknown type)Prefixes Served:
(423) 885, 887Notes:
Source: Larry P. in AZ
Etowah
Listing Updated:
September 2016Operating Company:
at&t/BellSouth/South Central BellCLLI:
ETWHTNMTRS0Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 263Notes:
Source: Larry P. in AZ
Greeneville
Listing Updated:
June 2014Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
GRVLTNXADS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 359, 636, 638-9, 783, 787, 798Notes:
Source: Larry P. in AZ
Hampton
Listing Updated:
July 2015Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
HMPNTNXARS0Switch Type:
Genband/Nortel RSCPrefixes Served:
(423) 725, 896Notes:
Source: Larry P. in AZ
Johnson City
"Main"
Listing Updated:
January 2013Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
JHCYTNXADS0Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(423) 233, 431, 433, 439, 461, 979Notes:
Source: Jason B.
Johnson City
"North"
Listing Updated:
January 2013Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
JHCYTNXCPS0Switch Type:
Packet Switch (unknown type)Prefixes Served:
(423) 232, 282-3, 302, 410, 412, 434, 610, 795, 854, 926, 928, 929, 953, 975Notes:
Source: Jason B.
Kingsport
"XA"
Listing Updated:
June 2014Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
KGPTTNXADS0Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(276) 225
(423) 224, 229-30, 245-7, 378, 390, 392, 578, 857Notes:
Also serves Morrison City, VA. Source: Larry P. in AZ
Kingsport
"XC"
Listing Updated:
July 2015Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
KGPTTNXCRS0Switch Type:
Genband/Nortel RSCPrefixes Served:
(423) 288, 343Notes:
Source: Larry P. in AZ
La Folette
Listing Updated:
July 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
LFLTTNMADS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 562-3, 566, 907Notes:
Source: Larry P. in AZ
Limestone
Listing Updated:
June 2014Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
LMSTTNXADS0Switch Type:
Genband/Nortel DMS-10Prefixes Served:
(423) 257Notes:
Source: Larry P. in AZ
Madisonville
Listing Updated:
September 2012Operating Company:
at&t/BellSouth/South Central BellCLLI:
MDVITNMTDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 420, 442Notes:
Source: Larry P. in AZ
Midway (Sullivan)
Listing Updated:
July 2015Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
MDWYTNXARS0Switch Type:
Genband/Nortel RSCPrefixes Served:
(423) 239Notes:
Source: Larry P. in AZ
Morristown
Listing Updated:
June 2014Operating Company:
at&t/BellSouth/South Central BellCLLI:
MRTWTNMADS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 317-8, 492, 522, 581, 585-7
(865) 993Notes:
Also serves Bean Station. Source: Larry P. in AZ
Mosheim
Listing Updated:
June 2014Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
MOSHTNXARS0Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 422Notes:
Source: Larry P. in AZ
Newport
Listing Updated:
July 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
NWPTTNMTDS0Switch Type:
Alcatel/Lucent 5ESSPrefixes Served:
(423) 613, 623, 625
(865) 509Notes:
Also serves Chestnut Hill. Source: Larry P. in AZ
Niota
Listing Updated:
August 2015Operating Company:
TDS/Tellico Telephone CompanyCLLI:
NIOTTNXARS0Switch Type:
Nokia Networks DCLPrefixes Served:
(423) 568Notes:
Source: Larry P. in AZ
Ooltewah
Listing Updated:
July 2008Operating Company:
CenturyLink/CenturyTel/Ooltewah-Collegedale TelephoneCLLI:
OLTWTNXADS1Switch Type:
Genband/Nortel DMS-100Prefixes Served:
(423) 238Notes: Originally a small independent (Ooltewah-Collegedale Telephone), recently bought by CenturyTel. Main photo shows customer service office on left, switch building on right. Photo 2 is closeup of customer service office, Photo 3 is closeup of switch building, and Photo 4 is an old Charge-A-Call phone for people to order service or report an outage.
Rogersville
Listing Updated:
September 2012Operating Company:
at&t/BellSouth/South Central BellCLLI:
RRVLTNMADS0Switch Type:
Nokia Networks DCOPrefixes Served:
(423) 272, 921Notes:
Source: Larry P. in AZ
Sullivan Gardens
Listing Updated:
July 2015Operating Company:
CenturyLink/Embarq/Sprint/United TelephoneCLLI:
SLGRTNXARS0Switch Type:
Genband/Nortel RLCPrefixes Served:
(423) 349, 516Notes:
Source: Larry P. in AZ
Surgoinsville
Listing Updated:
June 2014Operating Company:
at&t/BellSouth/South Central BellCLLI:
SRVLTNMADS0Switch Type:
Genband/Nortel DCNPrefixes Served:
(423) 345Notes:
Source: Larry P. in AZ
Sweetwater
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
SWTWTNMTRS0Switch Type:
Alcatel/Lucent 5ESS RemotePrefixes Served:
(423) 337, 351
(865) 213Notes:
Also serves the West Sweetwater ratecenter. Source: Larry P. in AZ
Vonore
Listing Updated:
September 2016Operating Company:
TDS Telecom/Tellico TelephoneCLLI:
VONRTNXADS1Switch Type:
Digital Switch (unknown type0Prefixes Served:
(423) 792, 884Notes:
Source: Larry P. in AZ
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Copyright 2016 Telephone Central Office Building
Pictures |