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Area Code 906
Telephone Central Office Building Pictures

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

Click on the pictures below for a larger version.


Ishpeming
 

Listing Updated:
November 2011

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

CLLI:
ISHPMIMNRSA

Switch Type:
Nokia Siemens EWSD RLU

Prefixes Served:
(906) 485-6, 702

Notes:
Source: TCO

 

Marquette

"Main"

Photo 2
 

Listing Updated:
November 2011

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

CLLI:
MRQTMIMNDS0

Switch Type:
Genband/Nortel DMS-100/200

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

Notes:
Photo 2 shows building with Ameritech signage. Source: TCO

 

Marquette

"Harvey"
 

Listing Updated:
November 2011

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

CLLI:
HRVYMIMNRSA

Switch Type:
Nokia Siemens EWSD RLU

Prefixes Served:
(906) 249

Notes:
Source: TCO

 

Menominee
 

Listing Updated:
August 2011

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

CLLI:
MNMNMINBDS0

Switch Type:
Nokia Siemens EWSD RCU

Prefixes Served:
(906) 863-4

Notes:
 

 

Stephenson
 

Listing Updated:
August 2011

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

CLLI:
STSNMISTDS0

Switch Type:
Genband/Nortel DMS-10

Prefixes Served:
(906) 753, 826

Notes:
 

 

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:
 

 

 


Copyright 2012 Telephone Central Office Building Pictures
Page last modified November 11, 2012
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