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Area Code 734
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 734 (Southeastern Michigan).
Click on the pictures below for a larger version.
Ann Arbor
"Main"
Listing Updated:
April 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
ANARMIMNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
DS0: (734) 213-4, 222, 232, 302, 327, 332, 565, 615, 622-3, 647, 662-3, 665, 668-9, 741, 747, 761, 763-4, 769, 827, 913, 930, 936, 994, 995-8Notes:
This building had a second 5ESS (DS1). The prefixes served by this switch were absorbed by the DS0 switch in July 2012. Photo source: GSV
Ann Arbor
"Southeast"
Listing Updated:
May 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
ANARMISEDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 350, 434, 477, 528, 572, 677, 695, 712, 971, 973, 975Notes:
Also serves parts of Ypsilanti. Source: GSV
Dexter
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
DXTRMIDXDS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(734) 424, 426Notes:
Source: GSV
Flat Rock
Listing Updated:
July 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
FLRKMIFRDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 782-3, 789Notes:
Source: GSV
Lambetville
Listing Updated:
May 2023Operating Company:
Frontier/Verizon/GTE/ContelCLLI:
LMVLMIXIDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(734) 854, 856Notes:
Source: GSV
Livonia
"Main"
Listing Updated:
November 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
LIVNMIMNRP0Switch Type:
Ribbon/Genband MG-9000 ABI Remote Packet SwitchPrefixes Served:
(313) 937
(734) 261, 266, 421-2, 425, 427, 458. 513, 522-5, 762Notes:
Until 2010, this CO building housed both a WECO 1AESS switch and a Ribbon/Genband/Nortel DMS-100 switch. This CO also serves parts of Detroit Zone 05 and Wayne.Host: WAYNMIMN20T/DS1
Source: GSV
Livonia
"Northwest"
Listing Updated:
November 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
LIVNMINWDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 386, 420, 432, 462, 464, 542, 591, 601, 632, 655, 666, 779, 805, 953Notes:
Source: GSV
Monroe
"Main"
Listing Updated:
June 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MONRMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 240-3, 384, 457Notes:
Source: GSV
Monroe
"Northeast"
Listing Updated:
November 2021Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MONRMINERSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(734) 289Notes:
Source: GSV
Newport
Listing Updated:
June 2019Operating Company:
Brightspeed/CenturyLink/CenturyTelCLLI:
NWPTMIXIDS1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 586Notes:
Source: GSV
Petersburg
Listing Updated:
May 2023Operating Company:
D&P Communications/Deerfield Farmers TelephoneCLLI:
PTBGMIAKDS0Switch Type:
Metaswitch VP3500Prefixes Served:
(517) 446-7, (734) 279, 746Notes:
Serves multiple ratecenters. Source: GSV
Plymouth
Listing Updated:
August 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
PLMOMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 207, 254, 354, 414, 416, 451, 453-4, 459, 582, 737Notes:
Source: GSV
Romulus
"Main"
Listing Updated:
December 2021Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
RMLSMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 229, 247, 941-2, 955Notes:
Source: GSV
Saline
Listing Updated:
June 2024Operating Company:
Frontier/Verizon/GTE/ContelCLLI:
SALNMIXGDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 295, 429, 944Notes:
Source: GSV
Temperance
Listing Updated:
June 2019Operating Company:
Frontier/Verizon/GTE/ContelCLLI:
TMPRMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(734) 847, 850Notes:
Source: GSV
Trenton
Listing Updated:
August 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
TRENMIMNDS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(734) 362, 479, 486, 671, 675-6, 692Notes:
Also serves parts of Wyandotte. Source: GSV
Wayne
"Main"
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WAYNMIMNDS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(734) 326, 467, 595, 641, 721-2, 727-9Notes:
Source: GSV
Wayne
"Northwest"
Listing Updated:
August 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WAYNMINWDS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(734) 394, 397-8, 495, 844, 981, 983Notes:
Serves parts of Plymouth and Ypsilanti. Source: GSV
Wyandotte
"Main"
Listing Updated:
August 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WYNDMIMNRP0Switch Type:
Ribbon/Genband MG-9000 remote packet switchPrefixes Served:
(734) 246, 281-5, 324Notes:
This office had a WECO 1AESS until 2010. It was replaced with a Ribbon/Genband MG-9000 remote (hosted from the Wayne tandem switch (WAYNMIMN20T/DS1). Source: GSV
Ypsilanti
Listing Updated:
June 2024Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
YPSLMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(734) 480-5, 487, 544, 547, 957Notes:
Also serves Belleville. 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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