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Area Codes 630 & 331
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Codes 630 & 331 (Illinois).

Click on the pictures below for a larger version.


Bartlett
 

Listing Updated:
November 2011

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

CLLI:
BRTLILBTDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(630) 213, 289, 372, 483, 540, 736, 830, 837
(847) 798

Notes:
Source: TCO

 

 


Copyright 2011 Central Office Building Pictures
Page last modified November 8, 2011
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