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Area Code 937
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 937 (southwestern Ohio outside of Cincinnati metro).

Click on the pictures below for a larger version.


 

Bellefontaine

Listing Updated:
August 2020

Operating Company:
CenturyLink/Embarq/Sprint/United Telephone

CLLI:
BLLFOHXA59E

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 292, 404, 592-3, 599

Notes:
Source: GSV

 

 

Dayton

"22 (Downtown)"

Listing Updated:
August 2020

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

CLLI:
DYTNOH2222E
DYTNOH2222J

Switch Type:
22E: Nokia/Alcatel/Lucent 5ESS
22J:  Ribbon/Genband/Nortel DMS-100

Prefixes Served:
22E: (937) 356, 455
22J: (937) 208, 220-9, 234, 85, 331, 333, 341, 443, 445, 449, 457, 461, 463, 485, 495-6, 512, 542, 580, 586, 627, 630, 640-1, 824

Notes:
Source: GSV

 

 

Dayton

"23"

Photo 2

Listing Updated:
August 2020

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

CLLI:
DYTNOH2323C

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(937) 233, 235-7

Notes:
Photo 2 is the original picture from October 2008. Current picture: GSV

 

 

Dayton

"25"

Listing Updated:
August 2020

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

CLLI:
DYTNOH25DS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 252-4, 256, 258-9, 476, 781

Notes:
Source: GSV

 

 

Dayton

"26"

Listing Updated:
August 2020

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

CLLI:
DYTNOH26DS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 262-3, 267-8

Notes:
Source: GSV

 

 

Dayton

"27"

Listing Updated:
August 2020

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

CLLI:
DYTNOH27DS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 274-9

Notes:
Source: GSV

 

 

Dayton

"29"

Listing Updated:
August 2020

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

CLLI:
DYTNOH29DS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 290, 293-4, 296-9, 395-6, 499, 528, 534, 643

Notes:
Source: GSV

 

 

Dayton

"Centerville"

Listing Updated:
August 2020

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

CLLI:
CNTMOH43DS1

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(937) 291, 312, 428, 432-6, 438-9

Notes:
Source: GSV

 

 

Miamisburg-West Carrollton

"Miamisburg"

Listing Updated:
August 2020

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

CLLI:
MMBGOH86DS1

Switch Type:
Nokia/Siemens EWSD DE5

Prefixes Served:
(937) 384, 847, 859, 865-6

Notes:
Source: GSV

 

 

Piqua

Listing Updated:
August 2020

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

CLLI:
PIQUOH7777C

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 615, 773, 778

Notes:
Source: GSV

 

 

Sidney

Photo 2 | Photo 3 | Photo 4

Listing Updated:
June 2020

Operating Company:
CenturyLink/EMBARQ/Sprint/United Telephone

CLLI:
SDNYOHXA49C

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 492-4, 497-8

Notes:
Photos 2-4 are the original ones from April 2006. Current photo source: GSV

 

 

Troy

Listing Updated:
August 2020

Operating Company:
Fronteir/Verizon/GTE

CLLI:
TROYOHXADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(937) 332, 335, 339, 440

Notes:
Source: GSV

 

 

Urbana

Listing Updated:
August 2020

Operating Company:
Champaign Telephone Company

CLLI:
URBNOHXADS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(937) 484, 652-3

Notes:
Also serves Terre Haute, OH. Source: GSV

 

 

Vandalia

"Dayton Vandalia"

Listing Updated:
August 2020

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

CLLI:
DYTNOH8989C

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(937) 264, 415, 454, 890 898

Notes:
Source: GSV

 

 

Xenia

Listing Updated:
August 2020

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

CLLI:
XENIOH3737C

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(937) 372, 374, 376, 562, 708

Notes:
Source: GSV

 

 


Copyright 2020 Telephone Central Office Building Pictures
Page last modified August 2, 2020
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