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Area Code 608
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 608 (southwestern Wisconsin).

Click on the pictures below for a larger version.


Adams

Photo 2 | Photo 3 | Photo 4

Listing Updated:
August 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
ADMSWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 RSU

Prefixes Served:
(608) 339

Notes:
Current photo: GSV. Photo 2 is from November 2010, Photo 3 is from June 2007 (both from Joe M.) Photo 4 is an Automatic Electric CO controlled payphone with new Frontier instruction cards (June 2011). Originally was an Automatic Electric Step by Step switch, then a Vidar switch (circa 1980), and now an Automatic Electric RSU (circa 2003).
Host: Mauston (MSTNWIXADS1).
 

Alma

Listing Updated:
August 2023

Operating Company:
TDS/Tenney Telephone Company

CLLI:
ALMAWIXAPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(608) 685

Notes:
Source: GSV

 

Baraboo

Photo 2 | Photo 3 | Photo 4

Listing Updated:
September 2019

Operating Company:
Brightspeed/Centurylink/CenturyTel/SBC/Ameritech/ Wisconsin Telephone

CLLI:
BARBWI01DSA

Switch Type:
Nokia/Siemens EWSD DE4

Prefixes Served:
(608) 355-6

Notes:
Current photo: GSV. Photos 2-4: Joe M. (October 2011). Original Central Office during manual days is located across the street from current CO (Photo 2). Notice you can see the old Wisconsin Telephone lettering in Photo 3. First central office switch was a Western Electric CDO with newer CDO ring. Switch is now an EWSD.  This area was sold off to CenturyTel which is now Brightspeed/Centurylink.

 

Beloit

Listing Updated:
November 2022

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
BELTWI01DS0

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(608) 361-5, 389

Notes:
Source: GSV

 

Blue River

Listing Updated:
August 2015

Operating Company:
Richland-Grant Telephone Cooperative

CLLI:
BLRVWIXADS1

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(608) 536-8, 624, 735

Notes:
Serves multiple ratecenters. Source: GSV

 

Boscobel

Listing Updated:
July 2023

Operating Company:
Brightspeed/CenturyLink/Centurytel

CLLI:
BOSCWIXADSA

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO

Prefixes Served:
(608) 375

Notes:
Source: GSV

 

Briggsville

Photo 2

Listing Updated:
September 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRGVWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 RSU

Prefixes Served:
(608) 340, 981

Notes:
Current photo: GSV. Photo 2: June 2007 (Joe M.) Orignally was an Automatic Electric Step by Step switch. This was one of the last central offices in the state cut to a digital switch (around 1999).
Host: Wisconsin Dells (WIDLWIXADS0)

 

Brooks

Photo 2

Listing Updated:
April 2007

Operating Company:
Marquette-Adams Telephone Cooperative

CLLI:
(was BRKSWIXARS0)

Switch Type:
Nokia/Siemens/Stromberg Carlson DCO remote

Prefixes Served:
(608) 584

Notes:
At one time was a Leich Step by Step switch.
Host: Oxford (OXFRWIXADS1).
Photo 2 shows an old pay phone booth, located in town of Easton. Calls are 25 cents. Phone does not work too well. Touch tone buttons are badn and hook has lots of static. Phone can be called. The light dows work. This booth may be the last one by this phone company, as the 2 pay phones outside the company HQ are now gone.
Source: Joe M.

 

Camp Douglas

Listing Updated:
November 2016

Operating Company:
Lynxx Networks/Lemonweir Valley Telephone

CLLI:
CPDGWIXADS2

Switch Type:
Metaswitch VP3510

Prefixes Served:
(608) 427, 562

Notes:
Serves multiple ratecenters. Source: GSV

 

Cochrane

Listing Updated:
July 2024

Operating Company:
Cochrane Cooperative Telephone

CLLI:
CCHRWIXADS1

Switch Type:
Metaswitch VP3500

Prefixes Served:
(608) 248, 626

Notes:
Serves multiple ratecenters. Source: Company website

 

Coon Valley

Listing Updated:
September 2023

Operating Company:
Coon Valley Farmers Telephone

CLLI:
COVYWIXADS1

Switch Type:
Metaswitch VP3510

Prefixes Served:
(608) 452

Notes:
Source: GSV

 

Cottage Grove

Listing Updated:
October 2021

Operating Company:
Frontier/Verizon/GTE

CLLI:
CTGVWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 839

Notes:
Source: GSV

 

Darlington

Listing Updated:
May 2023

Operating Company:
Brightspeed/CenturyLink/Centurytel

CLLI:
DRTNWIXARS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX Remote

Prefixes Served:
(608) 776

Notes:
Source: GSV

 

De Forest

Photo 2

Listing Updated:
August 2018

Operating Company:
Brightspeed/Centurylink/CenturyTel

CLLI:
DFRSWIXADS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(608) 842, 846

Notes:
Current photo: GSV. Photo 2: Joe M. (June 2007)

 

Dodgeville

Listing Updated:
May 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
DGVLWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 319, 935, 937

Notes:
Source: GSV

 

Endeavor

Listing Updated:
July 2015

Operating Company:
Marquette-Adams Telephone Co-op

CLLI:
(none)

Switch Type:
(remote off of a Metaswitch VP3510)

Prefixes Served:
(608) 587

Notes:
This central office originally was a DCO remote, but now appears to be a packet switch remote. Source: Joe M.

 

Fennimore

Listing Updated:
May 2022

Operating Company:
TDS/Grantland Telecom

CLLI:
FNMRWIXARP0

Switch Type:
Remote Packet (unknown type)

Prefixes Served:
(608) 822

Notes:
Source: E. Stadick

 

Footville

Listing Updated:
August 2023

Operating Company:
Brightspeed/CenturyLink/Centurytel/Wayside

CLLI:
FTVLWIXADS0

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO

Prefixes Served:
(608) 876

Notes:
Notice it still has the CenturyTel blue! Source: GSV

 

Holmen

Listing Updated:
July 2012

Operating Company:
Brightspeed/CenturyLink/Centurytel

CLLI:
HLMNWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 399, 526

Notes:
Source: GSV

 

Janesville

Listing Updated:
August 2019

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
JNVLWI01DSA

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(608) 371, 373, 741, 743, 752, 754-8

Notes:
Source: GSV

 

La Crosse

"XA (Onalaska)"

Listing Updated:
August 2019

Operating Company:
Brightspeed/Centurylink/CenturyTel

CLLI:
LCRSWIXARS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(608) 392, 779, 781, 783

Notes:
Source: GSV

 

La Crosse

"XB"

Listing Updated:
September 2023

Operating Company:
Brightspeed/CenturyLink/Centurytel

CLLI:
LCRSWIXBRS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(608) 787-8

Notes:
Source: GSV

 

La Crosse

"XC"

Listing Updated:
September 2023

Operating Company:
Brightspeed/CenturyLink/Centurytel

CLLI:
LCRSWIXCDS0

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

Prefixes Served:
(608) 738, 775, 782, 784-5, 789, 791, 793, 796

Notes:
Source: GSV

 

La Valle

Listing Updated:
July 2024

Operating Company:
La Valle Telephone Cooperative

CLLI:
LAVAWIXADS1

Switch Type:
Tekelec Open Compact Exchange

Prefixes Served:
(608) 983, 985

Notes:
Serves multiple ratecenters. Source: Company website

 

Lancaster

Listing Updated:
September 2013

Operating Company:
TDS/Farmers Telephone Company

CLLI:
LNCSWIXAPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(608) 723

Notes:
Source: GSV

 

Lodi

Photo 2

Listing Updated:
July 2018

Operating Company:
Frontier/Verizon/GTE

CLLI:
LODIWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 RSU

Prefixes Served:
(608) 592

Notes:
Current photo: GSV. Photo 2: Joe M. (March 2009). Originally an independent telephone company that was later purchased by GTE. Originally a Stromberg-Carlson XY switch. Host switch in Saulk City.

 

Lyndon Station

Listing Updated:
April 2007

Operating Company:
Frontier/Verizon/GTE

CLLI:
LYSTWIXARL0

Switch Type:
RTDISC-S

Prefixes Served:
(608) 666

Notes:
Host: Wisconsin Dells (WIDLWIXADS0)
At one time was a Vidar remote off of the Mauston WI switch. Before that it was a Leich step by step switch.
Source: Joe M.

 

Madison

"Main"

Listing Updated:
July 2019

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI11DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(608) 250-2, 355-60, 280-1, 283-4, 286-7, 294, 395, 957

Notes:
Source: GSV

 

Madison

"Black Oak"

Listing Updated:
October 2023

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI16DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(608) 270-1, 273-8, 288, 298

Notes:
Source: GSV

 

Madison

"Kedzie"

Listing Updated:
July 2019

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI12DS0

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(608) 240-6, 249, 301, 458

Notes:
Source: GSV

 

Madison

"Pflaum"

Listing Updated:
October 2021

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI14DS0

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(608) 216, 221-4, 226, 977

Notes:
Source: GSV

 

Madison

"Spring"

Listing Updated:
October 2023

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI15DSA

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(608) 261-7, 890

Notes:
Source: GSV

 

Madison

"Sylvan"

Listing Updated:
October 2023

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
MDSNWI13DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(608) 218, 231-3, 236, 238

Notes:
Source: GSV

 

Mauston

Photo 2

Listing Updated:
October 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
MSTNWIXADS1

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

Prefixes Served:
(608) 350, 847

Notes:
Current photo: GSV. Photo 2: Joe M. (June 2007). Had a Vidar switch circa 1980, GTD-5EAX was added later. Vidar customers were later folded into GTD-5EAX in 2003. Pay phone is central office controlled.
Source: Joe M.

 

McFarland

Listing Updated:
July 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
MCFAWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 838

Notes:
Source: GSV

 

Merrimac

Photo 2 | Photo 3

Listing Updated:
August 2013

Operating Company:
Frontier/Verizon/GTE

CLLI:
MRMCWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electic GTD-5 RSU

Prefixes Served:
(608) 493

Notes:
Current photo: GSV. Photo 2: Joe M. (June 2007). Photo 3 is a central office controlled pay phone.
Host: Sauk City (SKCYWIXADS0)
Source: Joe M.

 

Middleton

"Parmenter"

Listing Updated:
November 2021

Operating Company:
TDS/Mid-Plains Telephone

CLLI:
MDTNWIXAPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(608) 858

Notes:
Source: GSV

 

Milton

Listing Updated:
August 2019

Operating Company:
Brightspeed/CenturyLink/Centurytel/Cencom

CLLI:
MLTNWIXADS0

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO

Prefixes Served:
(608) 868

Notes:
Source: GSV

 

Monroe

"Main"

Listing Updated:
September 2022

Operating Company:
TDS/Utelco

CLLI:
MONRWIXAPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(608) 324-5, 328-9, 336

Notes:
Source: GSV

 

Monroe Center

Photo 2

Listing Updated:
August 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
MNCTWIXARS1

Switch Type:
Nokia/Lucent/Automatic Electic GTD-5 RSU

Prefixes Served:
(608) 564

Notes:
Current photo: GSV. Photo 2: Joe M. (August 2014) Early Vidar digital remote circa 1979 off of Adams central office. This CO is in the middle of nowhere. Mailing address is Arkdake, WI. Real address Town of Big Flats.

 

Montello

Photo 2

Listing Updated:
September 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
MTLLWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 RSU

Prefixes Served:
(608) 297

Notes:
Current photo: GSV. Photo 2: Joe M. (April 2007) Host: Portage (PRTGWIXADS0)

 

Mount Horeb

Listing Updated:
August 2023

Operating Company:
Mount Horeb Telephone Company

CLLI:
MTHBWIXADS2

Switch Type:
Metaswitch VP3510

Prefixes Served:
(608) x

Notes:
Source: GSV

 

 

Necedah

Photo 2

 

Listing Updated:
August 2023

Operating Company:
TDS/Central State Telephone

CLLI:
NCDHWIXAPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(608) 565

Notes:
Current photo: GSV. Photo 2: Joe M. (September 2011). This was a 5ESS, now a packet switch.

 

North Freedom

Photo 2

Listing Updated:
September 2019

Operating Company:
Brightspeed/Centurylink/CenturyTel

CLLI:
NFDMWI11RS0

Switch Type:
Nokia Siemens EWSD Remote

Prefixes Served:
(608) 522

Notes:
Current photo: GSV. Photo 2: Joe M. (April 2007) Originally was a Community Dial Office Step by Step switch (with new ring). Was SBC/ Ameritech/Wisconsin Bell before it was sold to CenturyTel
Host: Baraboo (BARBWI01DSA)

 

Oregon

Listing Updated:
September 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
ORGNWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 835

Notes:
Source: GSV

 

Oxford

Photo 2

Listing Updated:
August 2023

Operating Company:
Marquette-Adams Telephone Cooperative

CLLI:
OXFRWIXADS1

Switch Type:
Packet Switch (unknown type)

Prefixes Served:
(608) 586

Notes:
Current photo: GSV. Photo 2: Joe M. (April 2007). Originally Was Leich step by step, then Stromberg-Carlson DCO, later EWSD and now a packet switch. Serves multiple ratecenters.

 

Plain

Photo 2

Listing Updated:
August 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
PLANWIXARS3

Switch Type:
RS (probably an AE-RSU)

Prefixes Served:
(608) 546

Notes:
Current photo: GSV. Photo 2: Joe M. (April 2011)

 

Platteville

Listing Updated:
June 2024

Operating Company:
Brightspeed/CenturyLink/Centurytel/Platteville

CLLI:
PTVLWIXADSA

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 342, 348-9

Notes:
Source: GSV

 

Portage

Photo 2 | Photo 3

Listing Updated:
July 2013

Operating Company:
Frontier/Verizon/GTE

CLLI:
PRTGWIXADS0

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

Prefixes Served:
(608) 742, 745

Notes:
Current photo: GSV. Photos 2 and 3: Joe M. (June 2011) Photo 3 shows a close-up of the original telephone building, when it was a manual switchboard, built in 1914. Source: Joe M.

 

Poynette

Listing Updated:
September 2021

Operating Company:
Brightspeed/Centurylink/CenturyTel/SBC/Ameritech/ Wisconsin Telephone

CLLI:
PYNTWIXADS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(608) 635

Notes:
Source: E. Stadick

 

Prairie du Chien

Listing Updated:
May 2022

Operating Company:
Brightspeed/Centurylink/CenturyTel

CLLI:
PDUCWIXADS0

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

Prefixes Served:
(608) 326, 357

Notes:
Source: E. Stadick

 

Reedsburg

Photo 2

Listing Updated:
October 2019

Operating Company:
Frontier/Verizon/GTE

CLLI:
RDBGWIXADS0

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

Prefixes Served:
(608) 524

Notes:
Current photo: GSV. Photo 2: Joe M. (July 2015)

 

Richland Center

Listing Updated:
August 2015

Operating Company:
Frontier/Verizon/GTE

CLLI:
RCCTWIXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(608) 383, 647

Notes:
Source: GSV

 

Sauk City

Photo 2 | Photo 3

Listing Updated:
July 2018

Operating Company:
Frontier/Verizon/GTE

CLLI:
SKCYWIXADS0

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

Prefixes Served:
(608) 643, 644

Notes:
Current photo: GSV. Photo 2: April 2011, photo 3: September 2007 (both from Joe M.) Was a manual exchange until 1962 than an AE SXS untill 1989, now a GTD-5.

 

 

Sparta

Photo 2 | Photo 3

 

Listing Updated:
August 2012

Operating Company:
Brightspeed/Centurylink/CenturyTel/GTE

CLLI:
SPRTWIXADS1

Switch Type:
Nokia Siemens DCO

Prefixes Served:
(608) 269, 366, 368

Notes:
Current photos 1 and 2: GSV. Photo 3: Joe M. (September 2011)

 

Stoughton

Listing Updated:
August 2023

Operating Company:
at&t/SBC/Ameritech/Wisconsin Telephone

CLLI:
SGTNWI11DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(608) 873, 877

Notes:
Source: GSV

 

Sun Prairie

Photo 2

Listing Updated:
September 2021

Operating Company:
Frontier/Verizon/GTE

CLLI:
SNPRWIXADS0

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

Prefixes Served:
(608) 825, 834, 837

Notes:
Current photo: GSV. Photo 2: August 2014 (Joe M.). First office to have an Automatic Electric 2AEX switch around mid 70s.

 

Viroqua

Listing Updated:
July 2023

Operating Company:
Frontier/Citizens

CLLI:
VIRQWIXADS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(608) 637

Notes:
Source: GSV

 

Westby

Listing Updated:
September 2023

Operating Company:
Vernon Telephone Cooperative

CLLI:
WSBYWIXADS0

Switch Type:
Metaswitch VP3510

Prefixes Served:
(608) 528, 625, 627, 629, 634, 638, 648, 675, 689

Notes:
Serves multiple ratecenters. Source: GSV

 

Westfield

Photo 2 | Photo 3

Listing Updated:
September 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
WSFDWIXARS0

Switch Type:
Nokia/Lucent/Automatic Electric GTD-5 RSU

Prefixes Served:
(608) 296

Notes:
Host: Portage (PRTGWIXADS0)
Current photo: GSV. Photo 2 is from July 2015, Photo 3 from April 2007 (both from Joe M.)

 

Wisconsin Dells

Photo 2 | Photo 3 | Photo 4

Listing Updated:
September 2019

Operating Company:
Frontier/Verizon/GTE

CLLI:
WIDLWIXADS0

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

Prefixes Served:
(608) 253-4

Notes:
Current photo: GSV. Photo 2 from April 2011, Photo 3 from April 2007 (both from Joe M.) Photo 4 is a pay phone from June 2011. Originally was an Automatic Electric Step by Step with 4th selector (2 exchanges) until the early 90's.

 

Visit other Wisconsin Area Codes: 262 414 608 715 920

Visit nearby regions: Illinois Iowa Michigan Minnesota


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Page last modified August 9, 2024
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