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Area Code 906
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 906 (Upper Peninsula of Michigan).

Click on the pictures below for a larger version.


Baraga
 

Listing Updated:
September 2024

Operating Company:
UP.Net/Baraga Telephone Company

CLLI:
BARGMIXJDS0

Switch Type:
Ribbon/Genband/Nortel CS 1500

Prefixes Served:
(906) 353

Notes:
Source: GSV

 

Bessemer
 

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
BSMRMIMNRSA

Switch Type:
Nokia/Siemens EWSD DE4

Prefixes Served:
(906) 663, 667

Notes:
Source: GSV

 

Carney
 

Listing Updated:
August 2023

Operating Company:
Michigan Broadband/Upper Peninsula Telephone

CLLI:
CRNYMIABDS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 639

Notes:
Source: GSV

 

Chatham
 

Listing Updated:
August 2023

Operating Company:
TDS/Chatham Telephone Company

CLLI:
CHHMMIXIPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(906) 435

Notes:
Source: GSV

 

Crystal Falls
 

Listing Updated:
September 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
CRFLMIMNRSA

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(906) 875

Notes:
Source: GSV

 

Escanaba
 

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
ESCNMIMNDS0

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(906) 233, 786, 789

Notes:
Source: GSV

 

Faithorn
 

Listing Updated:
September 2023

Operating Company:
Michigan Broadband/Upper Peninsula Telephone

CLLI:
FTHRMIAADS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 438

Notes:
Source: GSV

 

Felch
 

Listing Updated:
September 2009

Operating Company:
Michigan Broadband/Upper Peninsula Telephone

CLLI:
FLCHMIXIDS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 246

Notes:
Source: GSV

 

Fence River
 

Listing Updated:
September 2008

Operating Company:
Michigan Broadband/Upper Peninsula Telephone

CLLI:
FNRVMIXIDS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 272

Notes:
Source: GSV

 

Houghton

"Chassell"
 

Listing Updated:
September 2024

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
CHSLMIMNRSA

Switch Type:
Nokia/Siemens EWSD DLU

Prefixes Served:
(906) 523

Notes:
Source: GSV

 

Houghton

"Hancock"
 

Listing Updated:
September 2024

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
HNCCMIMNRPA

Switch Type:
Remote packet switch (unknown type)

Prefixes Served:
(906) 482-3, 487

Notes:
Source: GSV

 

Iron Mountain
 

Listing Updated:
September 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
IRMTMIMNDS0

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(906) 774, 776, 779

Notes:
Source: GSV

 

Ironwood
 

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
IRWDMIMNDS0

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(906) 932

Notes:
Source: GSV

 

Ishpeming
 

Listing Updated:
September 2022

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
ISHPMIMNRSA

Switch Type:
Nokia/Siemens EWSD RLU

Prefixes Served:
(906) 485-6, 702

Notes:
Source: GSV

 

L'Anse
 

Listing Updated:
September 2024

Operating Company:
UP.Net/Baraga Telephone Company

CLLI:
LNSEMIXIRP0

Switch Type:
Ribbon/Genband/Nortel CS 1500

Prefixes Served:
(906) 524

Notes:
Source: GSV

 

Manistique
 

Listing Updated:
August 2023

Operating Company:
Brightspeed/CenturyLink/CenturyTel/GTE

CLLI:
MNTQMIXGDS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX

Prefixes Served:
(906) 341

Notes:
Source: GSV

 

Marquette

"Main"
 

Listing Updated:
October 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
MRQTMIMNDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100/200

Prefixes Served:
(906) 225-8, 264, 850

Notes:
Source: GSV

 

Marquette

"Harvey"
 

Listing Updated:
October 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
HRVYMIMNRSA

Switch Type:
Nokia/Siemens EWSD RLU

Prefixes Served:
(906) 249

Notes:
Source: GSV

 

Menominee

Photo 2

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
MNMNMINBDS0

Switch Type:
Nokia/Siemens EWSD RCU

Prefixes Served:
(906) 863-4

Notes:
Current photo source: GSV. Photo 2: August 2011

 

Munising
 

Listing Updated:
September 2023

Operating Company:
Jamadots/Hiawatha Telephone Company

CLLI:
MNSGMIXJDS1

Switch Type:
Metaswitch VP3500

Prefixes Served:
(906) 387

Notes:
Source: GSV

 

Newberry
 

Listing Updated:
August 2008

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
NWBYMIMNRSA

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(906) 293

Notes:
Source: GSV

 

Ontonagon
 

Listing Updated:
September 2024

Operating Company:
Jamdots/Ontonagon County Telephone Company

CLLI:
ONTNMIXIRS1

Switch Type:
Occam Networks BLC 6012

Prefixes Served:
(906) 884

Notes:
Source: GSV

 

Pickford
 

Listing Updated:
September 2024

Operating Company:
Brightspeed/CenturyLink/CenturyTel/GTE

CLLI:
PKFDMIXGDS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX

Prefixes Served:
(906) 647

Notes:
Source: GSV

 

Rexton
 

Listing Updated:
September 2024

Operating Company:
Michigan Broadband/Upper Peninsula Telephone

CLLI:
RXTNMIAADS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 595

Notes:
Source: GSV

 

Sault Ste. Marie
 

Listing Updated:
September 2024

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
SSMRMIMNDS0

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(906) 253, 569, 632, 635

Notes:
Also serves Troute Lake. Source: GSV

 

St. Ignace
 

Listing Updated:
September 2024

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
STIGMIMNRSA

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(906) 292, 643

Notes:
Also serves Brevort. Source: GSV

 

Stephenson

Photo 2

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Michigan Bell

CLLI:
STSNMISTDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(906) 753, 826

Notes:
Current photo source: GSV. Photo 2: August 2011

 

Wallace

Listing Updated:
August 2011

Operating Company:
Upper Peninsula Telephone Company

CLLI:
WLLCMIXADS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(906) 788

Notes:
 

 

Visit other Michigan Area Codes: 231 248 269 313 517 586 616 734 810 906 989

Visit nearby regions: Indiana Ohio Ontario Wisconsin


Copyright 2025 Telephone Central Office Building Pictures
Page last modified April 24, 2025
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