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Area Code 812
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 812 (Indiana).
Click on the pictures below for a larger version.
Bloomington
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
BLTNIN01DS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(812) 323, 330-7, 339, 349, 353, 355, 855-7Notes:
Source: GSV
Columbus
"Main"
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
CLMBIN01DS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(812) 314, 348, 372-9Notes:
Source: GSV
Columbus
"South"
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
CLMBIN02RSFSwitch Type:
Ribbon/Genband/Nortel Remote Switching CenterPrefixes Served:
(812) 341-2Notes:
Source: GSV
Evansville
"Greenleaf"
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
EVVLIN02DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(812) 228, 469, 471, 473-9, 485, 488Notes:
Source: GSV
Evansville
"Harrison"
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
EVVLIN03DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(812) 456, 461, 464-5, 468, 484Notes:
Source: GSV
Jeffersonville
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
JFVLIN01DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(812) 218, 258, 280, 282-5, 288Notes:
Source: GSV
Paoli
Listing Updated:
July 2021Operating Company:
Frontier/Verizon/GTECLLI:
PAOLINXADS0Switch Type:
Ribbon/Genband/Nortel DMS-10Prefixes Served:
(812) 723Notes:
Source: E. Stadick
Terre Haute
"Main"
Listing Updated:
May 2020Operating Company:
Frontier/Verizon/GTECLLI:
TRRHINXADS2Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(812) 231-2, 234-5, 237-8, 242, 244, 262-3, 478, 742Notes:
Source: GSV
Terre Haute
"North"
Listing Updated:
May 2020Operating Company:
Frontier/Verizon/GTECLLI:
TRRHINXCDS0Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(812) 460, 462, 466, 553Notes:
Source: GSV
Terre Haute
"West"
Listing Updated:
May 2020Operating Company:
Frontier/Verizon/GTECLLI:
TRRHINXDRS0Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 EAX RemotePrefixes Served:
(812) 533, 538Notes:
Source: GSV
Vincennes
Listing Updated:
May 2020Operating Company:
at&t/SBC/Ameritech/Indiana BellCLLI:
VINCIN01DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(812) 882, 885-6, 888, 895Notes:
Source: GSV
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Copyright 2021 Telephone Central Office Building
Pictures |