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 313
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 313 (Inner City Detroit, Michigan).

Click on the pictures below for a larger version.


 

Detroit Zone 01

"Bell"

Photo 2


 

Listing Updated:
November 2011

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

CLLI:
DTRTMIBLDS2

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 222-3, 496, 962

Notes:
Source: TCO

 

Detroit Zone 01

"Columbia"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMICLDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 494, 576-8, 745, 831-3, 966, 993

Notes:
Source: TCO

 

 

Detroit Zone 01

"Madison"


 

Listing Updated:
November 2011

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

CLLI:
DTRTMIMDDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 456, 556, 664, 758, 870-6, 916, 972, 974

Notes:
Source: TCO

 

Detroit Zone 01

"Riverfont"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIRVDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 259, 392-4, 396, 446, 553, 566-8, 656, 665, 667, 877

Notes:
Source: TCO

 

Detroit Zone 01

"Tyler"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMITEDS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(313) 361, 894-9

Notes:
Source: TCO

 

 

Detroit Zone 02

"Lenox"

Photo 2


 

Listing Updated:
November 2011

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

CLLI:
DTRTMILXDS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(313) 331, 499, 821-4, 926

Notes:
Source: TCO

 

Detroit Zone 02

"Niagara"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMINIDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(313) 343, 417, 640, 642, 647, 881-2, 884-6

Notes:
Source: TCO

 

Detroit Zone 02

"Pingree"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIPGDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 245, 371-2, 521, 527, 839

Notes:
Source: TCO

 

Detroit Zone 02

"Plaza"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIPEDS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(313) 267, 365, 571, 579, 921-5

Notes:
Also serves parts of Detroit Zone 03. Source: TCO

 

Detroit Zone 03

"Highland Park"
 

Listing Updated:
November 2011

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

CLLI:
HGPKMITSDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 252, 852, 865-9, 883, 956-7

Notes:
Source: TCO

 

Detroit Zone 03

"Twinbrook"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMITWDS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(313) 366, 368-9, 891-3

Notes:
Source: TCO

 

Detroit Zone 04

"Hogarth"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIHGDS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(313) 491, 834, 931, 933-5

Notes:
Source: TCO

 

Detroit Zone 04

"University"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIUVDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 340-2, 345, 772, 861-4, 927

Notes:
Source: TCO

 

Detroit Zone 04

"Vermont"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIVTDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 270, 272-3, 493, 653, 659, 835-8

Notes:
Source: TCO

 

Detroit Zone 05

"Redford"
 

Listing Updated:
November 2011

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

CLLI:
DTRTMIRFDS0

Switch Type:
Nokia Siemens EWSD DE5

Prefixes Served:
(248) 777
(313) 255, 387, 531-5, 538, 541, 543, 592, 794

Notes:
Source: TCO

 

Detroit Zone 06

"Dearborn Main"
 

Listing Updated:
November 2011

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

CLLI:
DRBRMIDBDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(313) 274, 277, 278, 359, 561-3, 565, 724, 730, 791-2

Notes:
Also housed a WECO 1AESS until 2011. Prefixes served by the 1AESS were absorbed by the co-located 5ESS in the same building. Source: TCO

 

Detroit Zone 06

"Dearborn Oregon"
 

Listing Updated:
November 2011

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

CLLI:
DRBRMIORDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 581-2, 584, 624, 846, 943, 945

Notes:
Source: TCO

 

Detroit Zone 06

"Lincoln Park"
 

Listing Updated:
November 2011

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

CLLI:
LNPKMIATDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(313) 294, 381-3, 386, 388-9, 928

Notes:
Source: TCO

 

Detroit Zone 06

"Taylor Wick"
 

Listing Updated:
November 2011

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

CLLI:
TAYLMIWKDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(313) 291-2, 295, 299, 375
(734) 287, 374, 946-7

Notes:
Also serves parts of Wyndotte & Romulus.
Source: TCO

 

 

Detroit Zone 06

"Vinewood"

Photo 2


 

Listing Updated:
November 2011

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

CLLI:
DTRTMIVWDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(313) 297, 551, 554, 841-3, 849

Notes:
Source: TCO

 

 


Copyright 2012 Telephone Central Office Building Pictures
Page last modified November 5, 2012
Contact us for more information