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Area Code 517
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 517 (South Central Michigan).
Click on the pictures below for a larger version.
Adrian
Listing Updated:
May 2023Operating Company:
Frontier/Verizon/GTECLLI:
ADRNMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(517) 263-6Notes:
Source: GSV
Bath
Listing Updated:
October 2023Operating Company:
Frontier/Verizon/GTE/ContelCLLI:
BATHMIXGRS0Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 641Notes:
Source: Austin B.
Charlotte
Listing Updated:
May 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
CHRLMIMNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 541, 543Notes:
Source: GSV
Clayton
Listing Updated:
July 2014Operating Company:
TDS/Communications Corp. of MichiganCLLI:
CYTNMIXIPS0Switch Type:
Packet End Office (unknown type)Prefixes Served:
(517) 545Notes:
Source: GSV
Coldwater
Listing Updated:
September 2024Operating Company:
Frontier/Verizon/GTECLLI:
CDWRMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(517) 278-9Notes:
Source: GSV
De Witt
Listing Updated:
September 2022Operating Company:
Frontier/Verizon/GTECLLI:
DWTTMIXGDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 239, 668-9Notes:
Source: GSV
Grand Ledge
Listing Updated:
August 2014Operating Company:
Frontier/Verizon/GTECLLI:
GRLDMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(517) 622, 627Notes:
Source: GSV
Hillsdale
Listing Updated:
September 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
HLDLMIMNRSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 437, 439, 607Notes:
Source: GSV
Holt
Listing Updated:
November 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
HOLTMIHEDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 694, 699Notes:
Source: GSV
Howell
Listing Updated:
August 2021Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
HOWLMIMNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 540, 545-6, 548, 552Notes:
Source: GSV
Jackson
"Main"
Listing Updated:
August 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
JCSNMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(517) 205, 768, 780, 782-4, 787-9, 796, 817, 840-1Notes:
Source: GSV
Jackson
"Michigan Center"
Listing Updated:
August 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MCHCMIMNRSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 764Notes:
Source: GSV
Jackson
"Spring Arbor"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
JCSNMISARSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 750Notes:
Source: GSV
Lansing
"Main"
Listing Updated:
August 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
LNNGMIMNDS0
LNNGMIMNDS1Switch Type:
DS0: Ribbon/Genband/Nortel DMS-100/200
DS1: Ribbon/Genband/Nortel DMS-100Prefixes Served:
DS0: (517) 316, 325, 334, 346, 367, 371-2, 763DS1: (517) 241, 253, 267, 284, 335, 342, 364, 373-4, 377, 481-5, 487, 702, 802, 885
Notes:
Source: GSV
Lansing
"East Lansing"
Listing Updated:
August 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
ELNSMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(517) 203, 324, 332-3, 336-7, 351, 353, 355, 432, 664, 884Notes:
Source: GSV
Lansing
"Haslett"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
HSLTMIHSRSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 339, 575Notes:
Source: Austin B.
Lansing
"Northwest"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
LNNGMINWDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(517) 321, 323, 327, 703, 886Notes:
Source: GSV
Lansing
"Okemos"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
OKMSMIMNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 347, 349, 381, 706Notes:
Source: Austin B.
Mason
Listing Updated:
September 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MASNMIMSRSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(517) 244, 676Notes:
Source: GSV
Perry
Listing Updated:
August 2022Operating Company:
TDS/Shiawassee Telephone CompanyCLLI:
PRRYMIXIPS0Switch Type:
Packet End Office (unknown type)Prefixes Served:
(517) 625Notes:
Source: GSV
Sand Creek
Listing Updated:
May 2023Operating Company:
Sand Creek Telephone CompanyCLLI:
SNCKMIXIDS0Switch Type:
Copercom CSX 2100 Media GatewayPrefixes Served:
(517) 436Notes:
Source: GSV
Springport
Listing Updated:
August 2024Operating Company:
Springport CommunicationsCLLI:
SPPTMIXIDS0Switch Type:
Nokia/Siemens/Stromberg-Carlson DCOPrefixes Served:
(517) 857Notes:
Source: GSV
Sunfield
Listing Updated:
June 2024Operating Company:
Brightspeed/CenturyLink/CenturyTelCLLI:
SNFDMIXIDS0Switch Type:
Nokia/Siemens/Stromberg-Carlson DCOPrefixes Served:
(517) 566Notes:
Source: GSV
Tecumseh
Listing Updated:
June 2024Operating Company:
Frontier/Verizon/GTECLLI:
TCMSMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(517) 423-4, 815Notes:
Source: GSV
Waldron
Listing Updated:
July 2024Operating Company:
Waldron Telephone CompanyCLLI:
WDRNMIXJDS1Switch Type:
Copercom CSX 2100 Media GatewayPrefixes Served:
(517) 286Notes:
Source: GSV
Webberville
Listing Updated:
September 2023Operating Company:
Frontier/Verizon/GTE/ContelCLLI:
WBVLMIXJDS0Switch Type:
Ribbon/Genband/Nortel DMS-10Prefixes Served:
(517) 521Notes:
Source: GSV
Williamston
Listing Updated:
September 2019Operating Company:
Frontier/Verizon/GTECLLI:
WMTNMIXGDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(517) 655Notes:
Source: GSV
Visit other Michigan Area Codes: 231 248 269 313 517 586 616 734 810 906 989
Visit nearby regions: Indiana Ohio Ontario Wisconsin
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Copyright 2025 Telephone Central Office Building
Pictures |