Home Page
About Us
FAQ
Listings by US State
Listings by Area Code
Listings by Region
Canada
International
What's New
Links
Contact Us

 

Area Code 734
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 734 (Michigan).

Click on the pictures below for a larger version.


Ann Arbor

"Main"

Photo 2
 

Listing Updated:
September 2012

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

CLLI:
ANARMIMNDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
DS0: (734) 213-4, 222, 232, 302, 327, 332, 565, 615, 622-3, 647, 662-3, 665, 668-9, 741, 747, 761, 763-4, 769, 827, 913, 930, 936, 994, 995-8

Notes:
This building had a second 5ESS (DS1). The prefixes served by this switch were absorbed by the DS0 switch in July 2012. Photo source: TCO

 

Livonia

"Main"
 

Listing Updated:
November 2011

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

CLLI:
LIVNMIMNRP0

Switch Type:
Genband MG-9000 ABI Remote Packet Switch

Prefixes Served:
(313) 937
(734) 261, 266, 421-2, 425, 427, 458. 513, 522-5, 762

Notes:
Until 2010, this CO building housed both a WECO 1AESS switch and a Genband/Nortel DMS-100 switch. This CO also serves parts of Detroit Zone 05 and Wayne.

Host: WAYNMIMN20T/DS1

Source: TCO

 

Monroe

"Main"
 

Listing Updated:
November 2011

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

CLLI:
MONRMIMNDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(734) 240-3, 384, 457

Notes:
Source: TCO

 

Romulus

"Main"
 

Listing Updated:
November 2011

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

CLLI:
RMLSMIMNDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(734) 229, 247, 941-2, 955

Notes:
Source: TCO

 

Wayne

"Main"
 

Listing Updated:
November 2011

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

CLLI:
WAYNMIMNDS0

Switch Type:
Nokia Siemens EWSD DE5

Prefixes Served:
(734) 326, 467, 595, 641, 721-2, 727-9

Notes:
Source: TCO

 

Wyandotte

"Main"
 

Listing Updated:
November 2011

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

CLLI:
WYNDMIMNRP0

Switch Type:
Genband MG-9000 remote packet switch

Prefixes Served:
(734) 246, 281-5, 324

Notes:
This office had a WECO 1AESS until 2010. It was replaced with a Genband MG-9000 remote (hosted from the Wayne tandem switch (WAYNMIMN20T/DS1). Source: TCO

 

 


Copyright 2012 Telephone Central Office Building Pictures
Page last modified November 6, 2012
Contact us for more information