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Area Code 586
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Code 586 (Macomb County, Michigan).
Click on the pictures below for a larger version.
Armada
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
ARMDMIMNRSASwitch Type:
Ribbon/Genband/Nortel RSSPrefixes Served:
(586) 784Notes:
Source: GSV
Center Line
"Main"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
CNLNMIMNRPASwitch Type:
Remote Packet Switch (unknown type)Prefixes Served:
(586) 427, 497, 754-9Notes:
Source: GSV
Center Line
"Warren Techline"
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WRRNMITLDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 492, 558, 573-6, 578, 582, 751, 753, 947, 986Notes:
Source: GSV
Mount Clemens
"Main"
Listing Updated:
November 2020Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MTCLMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 307, 463, 465-6, 468-9, 493, 783, 954Notes:
Source: GSV
Mount Clemens
"CL"
Listing Updated:
September 2022Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MTCLMICLDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 226, 228, 247, 263, 286, 412, 416, 532, 566Notes:
Still trying to find out what "CL" means. Also serves the Utica ratecenter. Source: GSV
Mount Clemens
"NR"
Listing Updated:
October 2021Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
MTCLMINRDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(586) 421, 598, 948-9Notes:
Still trying to find out what "NR" means. Source: GSV
New Baltimore
Listing Updated:
September 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
NBMRMIMNRS1Switch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(586) 716, 725Notes:
Source: GSV
New Haven
Listing Updated:
October 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
NWHNMIMNRSASwitch Type:
Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
(586) 749Notes:
Source: GSV
Richmond
Listing Updated:
August 2023Operating Company:
Frontier/Verizon/GTECLLI:
RCMDMIXGDS0Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAXPrefixes Served:
(586) 727Notes:
Source: GSV
Romeo
Listing Updated:
June 2023Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
ROMOMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 336, 752Notes:
Source: GSV
Roseville
"Main"
Listing Updated:
March 2025Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
RSVLMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 443, 445, 447, 498, 552, 563, 771-9Notes:
Source: GSV
Roseville
"North"
Listing Updated:
March 2025Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
RSVLMINRDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(586) 285, 293-4, 296, 415, 741, 746, 790-2Notes:
Serves parts of Mount Clemens ratecenter. Source: GSV
Utica
Listing Updated:
July 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
UTICMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 254, 323, 726, 731, 739, 803, 991, 997Notes:
Source: GSV
Warren
"Main"
Listing Updated:
March 2025Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WRRNMIMNDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(586) 264, 268, 274, 276, 446, 795, 825-6, 939, 977-9, 983Notes:
Source: GSV
Washington
Listing Updated:
May 2019Operating Company:
at&t/SBC/Ameritech/Michigan BellCLLI:
WASHMIWADS0Switch Type:
Nokia/Siemens EWSD DE5Prefixes Served:
(586) 677, 781, 786, 992Notes:
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 |