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Area Code 940
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 940 (North Texas).

Click on the pictures below for a larger version.


Aspermont

Listing Updated:
November 2021

Operating Company:
Windstream/Valor/GTE

CLLI:
ASPRTXXARS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(940) 989

Notes:
Source: GSV

 

Childress

Listing Updated:
April 2013

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
CHLDTXWERS0

Switch Type:
Ericsson AXE-10 Remote

Prefixes Served:
(940) 937

Notes:
Source: GSV

 

Decatur

Listing Updated:
April 2022

Operating Company:
Brightspeed/CenturyLink/Embarq/Sprint/Centel

CLLI:
DCTRTXXADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(940) 393, 626-7

Notes:
Source: GSV

 

Denton

Listing Updated:
December 2022

Operating Company:
Frontier/Verizon/GTE

CLLI:
DNTNTXXADS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(940) 243, 297, 320, 323, 349, 369, 380-4, 387, 483-4, 565-6, 591, 891, 898

Notes:
Source: GSV

 

Gainesville

Listing Updated:
April 2023

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
GSVLTXHODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(940) 612, 665, 668

Notes:
Source: GSV

 

Graham

Listing Updated:
November 2021

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
GRHMTXLIDS0

Switch Type:
Ericsson AXE-10

Prefixes Served:
(940) 521, 549-50

Notes:
Source: GSV

 

Haskell

Listing Updated:
March 2013

Operating Company:
Windstream/Valor/GTE

CLLI:
HSKLTXXADS0

Switch Type:
Ribbon/Genband/Nortel DMS-10 Remote

Prefixes Served:
(940) 864

Notes:
Source: GSV

 

Henrietta

Listing Updated:
June 2023

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
HNRTTXBRRS0

Switch Type:
Ericsson AXE-10 Remote

Prefixes Served:
(940) 538

Notes:
Source: GSV

 

Jacksboro

Listing Updated:
June 2023

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
JCBOTXLORS0

Switch Type:
Ericsson AXE-10 Remote

Prefixes Served:
(940) 567

Notes:
Source: GSV

 

Lake Dallas

Listing Updated:
November 2022

Operating Company:
CenturyLink/CenturyTel

CLLI:
LKDLTXXADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(940) 321, 497-8

Notes:
Source: GSV

 

Montague

Listing Updated:
April 2023

Operating Company:
Windstream/Alltel

CLLI:
MTAGTXXARS0

Switch Type:
Ribbon/Genband/Nortel DMS Remote

Prefixes Served:
(940) 894

Notes:
Source: GSV

 

Muenster

Listing Updated:
May 2023

Operating Company:
Nortex Communications/Muenster Telephone Corp.

CLLI:
MNSTTXXADS0

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO

Prefixes Served:
(940) 727, 736, 759, 768, 964

Notes:
Serves multiple ratecenters. Source: GSV

 

Palo Pinto

Listing Updated:
June 2023

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

CLLI:
PLPNTXXARS0

Switch Type:
Ribbon/Genband/Nortel RSS

Prefixes Served:
(940) 659

Notes:
Source: GSV

 

Petrolia

"Main"

Listing Updated:
June 2023

Operating Company:
NTT Fiber/North Texas Telephone Co.

CLLI:
PTRLTXXADS0

Switch Type:
Ribbon/Genband/Nortel DMS

Prefixes Served:
(940) 524

Notes:
Source: GSV

 

Petrolia

"Byers"

Listing Updated:
June 2023

Operating Company:
NTT Fiber/North Texas Telephone Co.

CLLI:
BYRSTXXARS0

Switch Type:
Ribbon/Genband/Nortel DMS remote

Prefixes Served:
(940) 529

Notes:
Source: GSV

 

Quanah

Listing Updated:
March 2013

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
QANHTXMORS0

Switch Type:
Ericsson AXE-10 Remote

Prefixes Served:
(940) 663

Notes:
Source: GSV

 

Seymour

Listing Updated:
August 2023

Operating Company:
Windstream/Valor/GTE

CLLI:
SYMRTXXADS0

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

Prefixes Served:
(940) 888

Notes:
Source: GSV

 

Throckmorton

Listing Updated:
July 2023

Operating Company:
Windstream/Valor/GTE

CLLI:
THRKTXXARS0

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

Prefixes Served:
(940) 849

Notes:
Source: GSV

 

Vernon

Listing Updated:
July 2023

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
VERNTXLIDS0

Switch Type:
Ericsson AXE-10

Prefixes Served:
(940) 552-3

Notes:
Source: GSV

 

 

Wichita Falls

"Lamar"

 

Listing Updated:
March 2022

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
WCFLTXNIDS2

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(940) 235, 257, 322, 341, 386, 397, 557, 676, 716, 720, 723, 730, 761, 763-4, 766-7, 880

Notes:
Source: GSV

 

Visit other Texas Area Codes: 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979

Visit nearby regions: Arkansas Louisiana New Mexico Oklahoma


Copyright 2023 Telephone Central Office Building Pictures
Page last modified October 7, 2023
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