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Area Code 740
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 740 (with overlay Area Code 220) (Southeastern Ohio).

Click on the pictures below for a larger version.


Albany
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
ALBYOHXARS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 698

Notes:
Source: Lincoln P.

 

Athens

"Shade"
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
ATHNOHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 566, 589, 592-4, 597, 696, 818

Notes:
Source: Lincoln P.

 

Beaver
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
BEVROHXBRS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 226

Notes:
Source: Lincoln P.

 

Bourneville

Photo 2
 

Listing Updated:
July 2024

Operating Company:
Horizon Telcom/Chillicothe Telephone Company

CLLI:
BRNVOHXARS1

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 626

Notes:
Source: Lincoln P.

 

Cadiz
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
CADZOHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 832, 942

Notes:
Source: GSV

 

Chillicothe

Photo 2
 

Listing Updated:
July 2024

Operating Company:
Horizon Telcom/Chillicothe Telephone Company

CLLI:
CHLCOHXA77G

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(740) 540, 702, 772-5, 779

Notes:
Source: Lincoln P.

 

Circleville
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
CRVLOHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 430, 474, 477

Notes:
Source: GSV

 

Coshocton
 

Listing Updated:
August 2020

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

CLLI:
CSTNOH6262C

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(740) 291, 295, 575, 622-3

Notes:
Source: GSV

 

Delaware
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
DLWROHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 362-3, 368-9, 833

Notes:
Source: GSV

 

Gallipolis
 

Listing Updated:
August 2020

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

CLLI:
GLPLOH4444C

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(740) 339, 441, 446, 925

Notes:
Source: GSV

 

Jackson

"Main"
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
JCSNOHXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 286, 288, 395, 577

Notes:
Source: Lincoln P.

 

Lancaster
 

Listing Updated:
August 2020

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

CLLI:
LNCSOH6565F

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 277, 652-4, 681, 687, 689

Notes:
Source: GSV

 

Logan
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
LOGNOHXADS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 380, 385

Notes:
Source: Lincoln P.

 

Londonderry
 

Listing Updated:
July 2024

Operating Company:
Horizon Telcom/Chillicothe Telephone Company

CLLI:
LDRYOHXARS1

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 887

Notes:
Source: Lincoln P.

 

Marietta
 

Listing Updated:
August 2020

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

CLLI:
MRTTOH3737G

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 373-4, 376, 568

Notes:
Source: GSV

 

Marion

"Main"
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
MARNOHXCDS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 223, 375, 382-3, 387

Notes:
Source: GSV

 

Mount Vernon
 

Listing Updated:
August 2020

Operating Company:
Brightspeed/Centurylink/Embarq/Sprint/United Telephone

CLLI:
MTVROHXA39E

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(740) 392-3, 397, 399

Notes:
Source: GSV

 

Nelsonville

Photo 2
 

Listing Updated:
July 2024

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

CLLI:
NLVLOH75RS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(740) 753

Notes:
Source: Lincoln P.

 

Newark

"XA"
 

Listing Updated:
August 2020

Operating Company:
Windstream/Alltel

CLLI:
NWRKOHXA34C

Switch Type:
Ribbon/Genband/Nortel DMS-100/200

Prefixes Served:
(740) 328, 345, 349, 670

Notes:
Source: GSV

 

Newark

"XB"
 

Listing Updated:
August 2020

Operating Company:
Windstream/Alltel

CLLI:
NWRKOHXB36C

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 364, 366, 755

Notes:
Source: GSV

 

Newark

"XC"
 

Listing Updated:
August 2020

Operating Company:
Windstream/Alltel

CLLI:
NWRKOHXCRS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(740) 344, 348

Notes:
Source: GSV

 

Newark

"XD"
 

Listing Updated:
August 2020

Operating Company:
Windstream/Alltel

CLLI:
NWRKOHXD32A

Switch Type:
Ribbon/Genband/Nortel DMS-10
 

Prefixes Served:
(740) 323

Notes:
Source: GSV

 

Newark

"Heath"
 

Listing Updated:
August 2020

Operating Company:
Windstream/Alltel

CLLI:
HETHOHXARL0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(740) 522, 788

Notes:
Source: GSV

 

Portsmouth

"Main"
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
PTMOOHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 351, 353-6

Notes:
Source: GSV

 

Portsmouth

"Lucasville"
 

Listing Updated:
August 2020

Operating Company:
Frontier/Verizon/GTE

CLLI:
LUVLOHXADS0

Switch Type:
Nokia/Alcatel/Lucant/Automatic Electric GTD-5 EAX

Prefixes Served:
(740) 259

Notes:
Source: GSV

 

Steubenville

"26"
 

Listing Updated:
August 2020

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

CLLI:
SBVIOH2626E

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 264, 266, 346

Notes:
Source: GSV

 

Steubenville

"28"
 

Listing Updated:
August 2020

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

CLLI:
SBVIOH28DS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 282-4

Notes:
Source: GSV

 

The Plains

Photo 2
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
THPLOHXARS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 797

Notes:
Source: Lincoln P.

 

Washington Court House

Photo 2
 

Listing Updated:
May 2024

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

CLLI:
WACHOH3333C

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(740) 333, 335, 620, 636

Notes:
Source: Lincoln P.

 

Wellston
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
WLTNOHXARS0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 384

Notes:
Source: Lincoln P.

 

Wilkesville
 

Listing Updated:
July 2024

Operating Company:
Frontier/Verizon/GTE

CLLI:
WKVLOHXARS1

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD-5 EAX Remote

Prefixes Served:
(740) 669

Notes:
Source: Lincoln P.

 

Zanesville
 

Listing Updated:
August 2020

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

CLLI:
ZNVLOH4545E

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(740) 450, 452-5, 586, 588

Notes:
Source: GSV

 

Visit other Ohio Area Codes: 216 330 419 440 513 614 740 937

Visit nearby regions: Indiana Kentucky Michigan Pennsylvania West Virginia


Copyright 2024 Telephone Central Office Building Pictures
Page last modified July 12, 2024
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