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Area Code 931
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 931 (Tennessee).
Click on the pictures below for a larger version.
Collinwood
Listing Updated:
October 2011Operating Company:
TDS/Tennessee Telephone Co.CLLI:
CNWDTNXADS1Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(931) 724Notes:
Source: Larry P.
Columbia
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
CLMATNMADS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(931) 380-1, 388, 490, 540, 560, 840Notes:
Source: Larry P.
Cookville
Listing Updated:
September 2012Operating Company:
Frontier/CitizensCLLI:
CKVLTNXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(931) 372, 520, 525-6, 528, 646Notes:
Source: Larry P.
Crossville
Listing Updated:
July 2015Operating Company:
Frontier/CitizensCLLI:
CSVLTNXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(931) 456, 459, 484, 707Notes:
Source: Larry P.
Hampshire
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
HMPSTNMARS5Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(931) 285Notes:
Source: Larry P.
Hohenwald
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
HHNWTNMARS5Switch Type:
Ribbon/Genband/Nortel RSSPrefixes Served:
(931) 796Notes:
Source: Larry P.
Linden
Listing Updated:
August 2015Operating Company:
TDS/Tennesee Telephone CompanyCLLI:
LNDNTNXARS0Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(931) 589Notes:
Source: Larry P.
Lynchburg
Listing Updated:
March 2023Operating Company:
at&t/BellSouth/South Central BellCLLI:
LYBGTNMTRS0Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(931) 759Notes:
Source: GSV
McMinnville
Listing Updated:
August 2015Operating Company:
Frontier/CitizensCLLI:
MMVLTNXADS0Switch Type:
Ribbon/Genband/Nortel DMS-10Prefixes Served:
(931) 473, 506Notes:
Source: Larry P.
Monterey
Listing Updated:
October 2015Operating Company:
Frontier/CitizensCLLI:
MTRYTNXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(931) 839Notes:
Source: Larry P.
Pleasant Hill
Listing Updated:
August 2015Operating Company:
Frontier/CitizensCLLI:
PLHLTNXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(931) 277Notes:
Source: Larry P.
Shelbyville
Listing Updated:
April 2021Operating Company:
at&t/BellSouth/South Central BellCLLI:
SHVLTNMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(931) 680, 684-5Notes:
Source: GSV
Sparta
Listing Updated:
August 2015Operating Company:
Frontier/CitizensCLLI:
SPRTTNXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(931) 836Notes:
Source: Larry P.
Sparta Rural
Listing Updated:
August 2015Operating Company:
Ben Lomand Telephone CooperativeCLLI:
(was SPRLTNXARSC)Switch Type:
Remote Switch (unknown type)Prefixes Served:
(931) 738-9Notes:
Source: Larry P.
Spring Hill
Listing Updated:
August 2015Operating Company:
at&t/BellSouth/South Central BellCLLI:
SPHLTNMTRS0Switch Type:
Ribbon/Genband/Nortel RSSPrefixes Served:
(615) 302
(931) 486-7, 489Notes:
Also serves the North Spring Hill ratecenter. Source: Larry P.
Tullahoma
Listing Updated:
June 2022Operating Company:
at&t/BellSouth/South Central BellCLLI:
TLLHTNMADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(931) 393, 454-5, 461Notes:
Source: GSV
Visit other Tennessee Area Codes: 423 615 731 865 901 931
Visit nearby regions: Alabama Arkansas Georgia Kentucky Mississippi Missouri North Carolina Virginia
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Copyright 2023 Telephone Central Office Building
Pictures |