4 Telephone Central Office Building Pictures - Area Code 218 (Minnesota)
 

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Area Code 218
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 218 (Minnesota).

Click on the pictures below for a larger version.

Duluth

"Melrose"
 

Listing Updated:
May 2014

Operating Company:
CenturyLink/Qwest/US West/Northwestern Bell

CLLI:
DLTHMNME72G

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(218) 279, 529, 720, 723, 725-7, 733, 786, 788

Notes:
Source: GSV

 

Wawina
 

 Listing Updated:
May 2014

Operating Company:
Northern Telephone Company

CLLI:
WAWNMNXADS0

Switch Type:
Redcom MDX384

Prefixes Served:
(218) 488

Notes:
An extremely small independent telephone company in rural Minnesota. This CO was famous since it was the last use of analog inter-office transmission using 2600 Hz control and MF signaling in the lower 48 states. Source: GSV

 

 

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