Area Code 414
Telephone Central Office 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.

This section was insipred by Telephone Central Offices and Telebeans.Org

Milwaukee Zone 1 "Aetna" Photo 2 | Photo 3	Listing Updated: May 2007 Operating Company: at&t/SBC/Ameritech/Wisconsin Telephone CLLI: MILWWI12DS2 Switch Type: 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: 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 "Cleveland"	Listing Updated: May 2007 Operating Company: at&t/SBC/Ameritech/Wisconsin Telephone CLLI: MILWWI30DS0 Switch Type: Siemens EWSD Prefixes Served: (414) 321, 327-9, 541, 543, 545-6, 604 Notes: Old EXchange Name: LIncoln, 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: Nortel DMS-100 Prefixes Served: (414) 353, 358, 461-6, 527, 535-6, 578, 616, 760 Notes: Old EXchange Name: HOpkins, FLagstone (353 to 358), 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: 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: 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: 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 "South 26th"	Listing Updated: June 2007 Operating Company: at&t/SBC/Ameritech/Wisconsin Telephone CLLI: MILWWI34DS1 Switch Type: 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 3 "Forest Home"	Listing Updated: May 2007 Operating Company: at&t/SBC/Ameritech/Wisconsin Telephone CLLI: MILWWI25DS0 Switch Type: Nortel DMS-100 Prefixes Served: (414) 425, 427, 525, 529 Notes: Old EXchange Name: GArden Homes Orignally was a #5 Crossbar with "dirty" ESS Ring, later a 1AESS and now a DMS-100. 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: 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