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Area Code 414
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 414 (Milwaukee, WI metro).

Click on the pictures below for a larger version.


 

Milwaukee Zone 1

"Aetna"

Photo 2 | Photo 3

 

Listing Updated:
May 2007

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

CLLI:
MILWWI12DS2

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 256-9, 266, 280, 302, 337, 443, 453-4, 456, 471, 475-6, 479, 607, 771, 773-4, 777-8, 805, 844, 936, 955

Notes:
Old EXchange Name: BLue Mound (257, 258, 259), SPring (771, 774), GLen View (453), GReenfield (475, 476).
Originally a Panel Office (257, 258, 259, 475, 476) and #1 Crossbar (453, 771, 774). Panel changed in 1970-71 to 1ESS, upgraded to 1AESS by 1985 when 453, 771, 774 was folded in, now a DMS-100. The #1 Crossbar had high type "City Ring". When the office had the 1AESS & 1XB, the pay phones were on the 1AESS with the 475 prefix
Source: Joe in WI

 

Milwaukee Zone 1

"Broadway"

Listing Updated:
May 2007

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

CLLI:
MILWWI13DS1

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 212, 219-21, 223-27, 231, 244, 270-4, 276-8, 283, 286-9, 291, 297-9, 347, 390, 524, 665, 765, 792, 905

Notes:
Old EXchange Name: BRoadway, FIre-7 (347-2323) and POlice (765-2323) prior to use of 911. Originally was a Panel and #1 Crossbar, now a DMS-100.
Source: Joe in WI

 

Milwaukee Zone 1

"Capital"

Listing Updated:
July 2009

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

CLLI:
MILWWI22DS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(414) 332, 906, 961-4, 967

Notes:
Old EXchange Name: 332 was EDgewood-2, 962-4 was WOodruff 2-4. In 1970 332 and 962-964 were #1 crossbar with City Ring, 961-963 were added with a 1ESS switch. It is now a EWSD.
Source: Joe in WI

 

Milwaukee Zone 1

"Cleveland"

Listing Updated:
May 2007

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

CLLI:
MILWWI30DS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(414) 321, 327-9, 541, 543, 545-6, 604

Notes:
Old EXchange Name: LIncoln-1,3,5,6, FAirview (321, 327, 328, 329).
Originally was a #1 Crossbar, changed to 1AESS by 1985, now an EWSD.
Source: Joe in WI

 

Milwaukee Zone 1

"Fond Du Lac Ave."

Listing Updated:
May 2007

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

CLLI:
MILWWI28DSA

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 353, 358, 461-6, 527, 535-6, 578, 616, 760

Notes:
Old EXchange Name: HOpkins, FLagstone (353), EXeter (393).
Orginally a #1 Crossbar, changed to a 1AESS by 1985, now is a DMS-100. As a #1XB, it had a "soft City ring" and a neat sounding reorder.
Source: Joe in WI

 

Milwaukee Zone 1

"Grange"

Listing Updated:
May 2007

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

CLLI:
MILWWI10DSA

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(414) 281-2, 304, 325, 421, 423, 661, 761, 817, 855

Notes:
Old EXchange Name: ATlantic, SOuth (761)
Originally was a #5 Crossbar, now a 5ESS.
Source: Joe in WI

 

Milwaukee Zone 1

"Logan"

Listing Updated:
June 2007

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

CLLI:
MILWWI42DS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(414) 294, 481-3, 486, 489, 744, 747, 769

Notes:
Old EXchange Name: SHeridan (744, 747), HUmboldt (481, 482, 483, 489), SOuth (769).
Originally was a 1AESS.
Source: Joe in WI

 

 

Milwaukee Zone 1

"North 26th"

Photo 2

 

Listing Updated:
May 2007

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

CLLI:
MILWWI48DSA

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(414) 342-5, 678, 799, 931, 933-5, 937

Notes:
Old EXchange name: DIvision (342, 344, 345), WEst (944, 934, 935, 937).
At one time was the operator center for the Milwaukee area. Has a 5ESS. Photo 2 shows the former microwave tower.
Source: Joe in WI

 

 

Milwaukee Zone 1

"North 41st"

Photo 2 | Photo 3

 

Listing Updated:
February 2009

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

CLLI:
MILWWI27DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 442, 444-5, 447, 449, 871, 873-5

Notes:This office most likely stated out as a Manual office and was converted to dial (Panel Office) around 1930. A Number 1 Crossbar switch (#1XB) was added later. Panel was changed to 1ESS in 1970. The #1XB was folded into 1AESS in 1985, and later changed to DMS-100 around 2000.
Old EXchange Names: Panel: HIlltop 2, HIlltop 4 and HIltop 5. #1XB: UPtown 1, UPtown 2 and UPtown 3. 447 and 449 added later. Pay phones were 447 prefix after 1970.


Source: Joe in WI

 

 

Milwaukee Zone 1

"South 26th"

 

Listing Updated:
June 2007

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

CLLI:
MILWWI34DS1

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(414) 382-5, 389, 645-7, 649, 671-2, 902

Notes:
Old EXchange Names: MItchell (643, 645, 647), EVegreen (383, 384), ORchard (671, 672)
643,5,7 was Panel 383,4 & 671,2 were 1XB before 1970.
After 1970 the Panel was changed to a 1ESS.
In 1985 it was changed to a 1AESS and the 1XB was folded into the 1AESS.
Source: Joe in WI

 

 

Milwaukee Zone 1

"Wright Street"

 

Listing Updated:
February 2009

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

CLLI:
MILWWI17DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 263-5, 267, 336, 372, 374, 562

Notes:
Original EXchange names: COcord-4 and LOcust-2. Began as a Panel office, then a #5XB ans now a DMS-100.
Source: Joe in WI

 

Milwaukee Zone 3

"Forest Home"

Listing Updated:
May 2007

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

CLLI:
MILWWI25DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(414) 425, 427, 525, 529

Notes:
Old EXchange Name: GArden-2, 5.
Orignally was a #5 Crossbar with "dirty" ESS Ring, later a 1AESS and now a DMS-100.
Source: Joe in WI

 

Milwaukee Zone 4

"County Line Road"

Photo 2

Listing Updated:
September 2012

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

CLLI:
MILWWI16DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(262) 236, 238, 242, 512
(414) 354-5, 357, 362, 365, 371, 586

Notes:
The Milwaukee County Line Road switch is located on 74th and County Line Rd. This office was built in 1956 to provide dial service to Mequon, WI which was manual service until then and to relieve over crowding on the Fond Du Lac switch which was a Panel switch at that time.  EXchange name was FLagstone 4 & 5. The original Switch was a Number 5 Crossbar. This switch is a in a more rural open area and sports the new at&t logo sign.

Also serves parts of Thiensville ratecenter.
Source: Joe in WI

 

Milwaukee Zone 4

"Good Hope Road"

Photo 2 | Photo 3

Listing Updated:
September 2012

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

CLLI:
MILWWI23DS0

Switch Type:
Nokia Siemens EWSD DE 5

Prefixes Served:
(262) 240-1
(414) 228, 247, 351-2, 540

Notes:
Serves the Northeast side of Milwaukee County and the extreme southeastern part of Ozaukee County. Pictures are of the building the old Wisconsin Telephone county sign still there the length of the building Is in a residential area.

Also serves parts of Thiensville ratecenter.
Source: Joe in WI

 

Milwaukee Zone 5

"Howell"

Photo 2

Listing Updated:
June 2007

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

CLLI:
MILWWI56DS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(414) 570-1, 762, 764, 766, 768

Notes:
Old EXchange Name: SOuth (762, 764, 768)
New central office building with EWSD.
Photo 2 shows original South building (once housed a 1AESS switch)
Source: Joe in WI

 

 


Copyright 2012 Telephone Central Office Building Pictures
Page last modified September 8, 2012
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