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Area Code 815
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 815 (Illinois).

Click on the pictures below for a larger version.


 

Galena
 

 

Listing Updated:
November 2011

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

CLLI:
GALNILGADS1

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(815) 776-7

Notes:
Source: TCO

 

 

La Salle
 

 

Listing Updated:
October 2008

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

CLLI:
LSLLILLSDS0

Switch Type:
Alcatel/Lucent 5ESS Host

Prefixes Served:
(815) 220, 223-4

Notes:
Host switch for nearby Oglesby and Utica.

 

 


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