Telephone Central Office Building Pictures

Apple Valley

Listing Updated:
June 2024

Operating Company:
South Central Communications

CLLI:
(was APVYUTXCRS1)

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

Prefixes Served:
(435) 877

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (June 2014)

Bear River City

Listing Updated:
October 2021

Operating Company:
Frontier/Citizens

CLLI:
BRCYUTXCRS1

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO Remote

Prefixes Served:
(435) 279, 452

Notes:
Source: GSV

Beaver

Listing Updated:
May 2023

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

CLLI:
BEVRUTMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 438

Notes:
Source: GSV

Blanding

Listing Updated:
September 2017

Operating Company:
Frontier/Citizens

CLLI:
BLNGUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DSF

Prefixes Served:
(435) 678

Notes:
Source: Craig L.

Boulder

Photo 2

Listing Updated:
August 2024

Operating Company:
South Central Communications

CLLI:
(was BLDRUTXCRS1)

Switch Type:
Ribbon/Genband/Nortel 1RC

Prefixes Served:
(435) 335

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (September 2017)

Brian Head

Listing Updated:
July 2024

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

CLLI:
BNHDUTMARS2

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 677

Notes:
Source: GSV

Brigham City

"Main"

Listing Updated:
August 2023

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

CLLI:
BGCYUTMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 695, 723, 734

Notes:
Source: GSV

Brigham City

"Corinne"

Listing Updated:
August 2023

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

CLLI:
CRNNUTMARS1

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 744

Notes:
Source: GSV

Bryce Canyon

Listing Updated:
July 2016

Operating Company:
South Central Communications

CLLI:
(was BRCNUTXCRS1)

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 834

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Source: Craig L.

Canonville

Photo 2

Listing Updated:
September 2017

Operating Company:
South Central Communications

CLLI:
(was CAVLUTXCRS0)

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 679

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Source: Craig L.

Castle Dale

Listing Updated:
September 2024

Operating Company:
Emery Telecom

CLLI:
CSDLUTXCDS1

Switch Type:
Nokia/Siemens EWSD

Prefixes Served:
(435) 286, 381, 384, 564, 653, 687, 748

Notes:
Also serves Green River. Source: GSV

Cedar City

Listing Updated:
April 2021

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

CLLI:
CDCYUTMADS0

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

Prefixes Served:
(435) 586, 865, 867-8

Notes:
Source: GSV

Circleville

Photo 2

Listing Updated:
August 2024

Operating Company:
South Central Communications

CLLI:
CRVLUTXCRS1

Switch Type:
Ribbon/Genband/Nortel RSS

Prefixes Served:
(435) 577

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (September 2017)

Delta

Listing Updated:
September 2024

Operating Company:
Frontier/Citizens

CLLI:
DELTUTXCDS0
DELTUTXCPS0

Switch Type:
DS0: Ribbon/Genband/Nortel DMS-10
PS0: Packet End Office (unknown type)

Prefixes Served:
DS0: (435) 864
PS0: (435) 719

Notes:
Source: GSV

Dutch John

Listing Updated:
August 2024

Operating Company:
Union Telephone

CLLI:
DTJHUTXCDS0

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 885

Notes:
Source: GSV

Ephraim

Photo 2

Listing Updated:
August 2024

Operating Company:
Manti Telecommunications

CLLI:
(was EPHRUTMARS1)

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 283

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (September 2017)

Fairview

Photo 2

Listing Updated:
September 2024

Operating Company:
CentraCom/Central Utah Telephone Company

CLLI:
FRVWUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(435) 427, 870
(801) 873

Notes:
Also serves Soldier Summit and Spanish Fork Canyon. Current photo: GSV. Photo 2: Craig L. (September 2017)

Fielding

Listing Updated:
September 2023

Operating Company:
Frontier/Citizens

CLLI:
FDNGUTXCRS1

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO Remote

Prefixes Served:
(435) 458

Notes:
Source: GSV

Fillmore

Listing Updated:
July 2008

Operating Company:
Frontier/Citizens

CLLI:
FLMRUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DSF

Prefixes Served:
(435) 743

Notes:
Source: GSV.

Fountain Green

Listing Updated:
November 2021

Operating Company:
CentraCom/Central Utah Telephone Company

CLLI:
FNTGUTXCRS1

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

Prefixes Served:
(435) 445

Notes:
Source: GSV

Garden City

Listing Updated:
July 2024

Operating Company:
CentraCom/Bear Lake Communications

CLLI:
GRCYUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 946

Notes:
Source: GSV

Green River

Listing Updated:
September 2017

Operating Company:
Emery Telecom

CLLI:
(was GNRVUTXCRS2)

Switch Type:
Nokia/Siemens EWSD RLU

Prefixes Served:
(435) 564

Notes:
This CO has been deprecated and no longer has its own unique CLLI code. The one shown is its last known CLLI code. Source: Craig L.

Gunnison

Photo 2

Listing Updated:
August 2014

Operating Company:
Gunnison Telecommunications

CLLI:
GNSNUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(435) 528

Notes:
Current photo: GSV. Photo 2: Craig L. (September 2017)

Halchita

Listing Updated:
September 2017

Operating Company:
Frontier/Navajo Communications

CLLI:
HLCHUTXCRL0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(435) 739

Notes:
Source: Craig L.

Hanksville

Photo 2 | Photo 3

Listing Updated:
August 2024

Operating Company:
Emery Telecom/Hanksville Telecom

CLLI:
HNVLUTNMRS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 542

Notes:
Current photo: GSV. Photo 2: Craig L. (September 2017)

Hatch

Photo 2

Listing Updated:
July 2024

Operating Company:
South Central Communications

CLLI:
(wasHATCUTXCRS1)

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 735

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (July 2016)

Heber City

Photo 2

Listing Updated:
July 2024

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

CLLI:
HBCYUTMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(435) 654, 657

Notes:
Current photo: GSV. Photo 2: Jeff K. (August 2014)

Holden

Listing Updated:
May 2023

Operating Company:
Frontier/Citizens

CLLI:
HLDNUTXCRS1

Switch Type:
Ribbon/Genband/Nortel 1RC

Prefixes Served:
(435) 795

Notes:
Source: GSV

Kamas

Listing Updated:
July 2024

Operating Company:
All West Communications

CLLI:
KAMSUTXCDS2

Switch Type:
Metaswitch VP3510

Prefixes Served:
(435) 336, 782-3, 785, 793

Notes:
Serves multiple ratecenters. Source: GSV

Kanab

Photo 2

Listing Updated:
July 2024

Operating Company:
South Central Communications

CLLI:
(was KANBUTXCRS0)

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 644

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (June 2014)

Kanosh

Listing Updated:
April 2021

Operating Company:
Frontier/Citizens

CLLI:
KNSHUTXCRS1

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

Prefixes Served:
(435) 759

Notes:
Source: GSV

La Sal

Listing Updated:
September 2023

Operating Company:
Frontier/Citizens

CLLI:
LASLUTXCRS0

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

Prefixes Served:
(435) 686

Notes:
Source: GSV

Lake Point

Listing Updated:
August 2024

Operating Company:
Beehive Telephone Company

CLLI:
LKPTUTBHDS1

Switch Type:
Metaswitch VP3510

Prefixes Served:
(435) 234, 456, 661-3, 693, 712, 747, 788, 837, 839, 871

Notes:
Technically located in the Rush Valley ratecenter in Tooele. Serves multiple ratecenters. Source: GSV

Logan

"Main"

Listing Updated:
July 2024

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

CLLI:
LOGNUTMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 713, 716, 750, 752-5, 786-7, 792

Notes:
Source: GSV

Logan

"Richmond"

Listing Updated:
July 2024

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

CLLI:
RCMDUTMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 258

Notes:
Source: GSV

Logan

"Smithfield"

Listing Updated:
July 2024

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

CLLI:
SMFDUTMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 563

Notes:
Source: GSV

Lynndyl

Listing Updated:
August 2008

Operating Company:
Frontier/Citizens

CLLI:
LYNDUTXCRS1

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

Prefixes Served:
(435) 857

Notes:
Source: GSV.

Manila

Listing Updated:
September 2024

Operating Company:
Union Telephone

CLLI:
MANLUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 784

Notes:
Source: GSV

Manti

Photo 2

Listing Updated:
August 2024

Operating Company:
Manti Telecommunications

CLLI:
MANTUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(435) 835

Notes:
Current photo: GSV. Photo 2: Craig L. (September 2017)

Marysvale

Photo 2

Listing Updated:
August 2024

Operating Company:
South Central Communications

CLLI:
(was MRVAUTXCRS1)

Switch Type:
Ribbon/Genband/Nortel RSS

Prefixes Served:
(435) 326

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (September 2017)

Meadow

Listing Updated:
April 2021

Operating Company:
Frontier/Citizens

CLLI:
MEDWUTXCRS3

Switch Type:
Ribbon/Genband/Nortel 1RE

Prefixes Served:
(435) 842

Notes:
Source: GSV

Moab

"Main"

Photo 2 | Photo 3

Photo 4 | Photo 5 | Photo 6

Listing Updated:
May 2018

Operating Company:
Frontier/Citizens

CLLI:
MOABUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DMO

Prefixes Served:
(435) 259, 719

Notes:
Current photo: GSV. Photo 2 to 6: Craig L. (September 2017)

Monroe

Photo 2 | Photo 3

Listing Updated:
May 2023

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

CLLI:
MONRUTMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 527

Notes:
Current photo: GSV. Photos 2 and 3: Craig L. (September 2017)

Montezuma Creek

Listing Updated:
July 2023

Operating Company:
Navajo Communications (Frontier)

CLLI:
MNCKUTXCRS0

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 651

Notes:
Source: GSV

Monticello

Photo 2 | Photo 3

Listing Updated:
October 2024

Operating Company:
Frontier/Citizens

CLLI:
MNTIUTXCDS0

Switch Type:
Ribbon/Genband/Nortel DSF

Prefixes Served:
(435) 587

Notes:
Current photo: GSV. Photos 2 and 3: Craig L. (September 2017)

Monument Valley

Listing Updated:
September 2017

Operating Company:
Frontier/Navajo Communications

CLLI:
MNVYUTXCRS0

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 727

Notes:
Source: Craig L.

Moroni

Listing Updated:
August 2024

Operating Company:
Skyline Telecom

CLLI:
MORNUTXCRS1

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

Prefixes Served:
(435) 436

Notes:
Source: GSV

Mount Pleasant

Listing Updated:
August 2024

Operating Company:
CentraCom

CLLI:
MNPLUTMARS1

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 462

Notes:
Source: GSV

Nephi

Listing Updated:
August 2024

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

CLLI:
NEPHUTMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(435) 623

Notes:
Source: GSV

Orderville

Photo 2

Listing Updated:
July 2024

Operating Company:
South Central Communications

CLLI:
ORVLUTXCRS0

Switch Type:
Ribbon/Genband/Nortel RSS

Prefixes Served:
(435) 648

Notes:
This central office no longer has a unique CLLI code and is deprecated in the LERG database as of January 2021. Current photo: GSV. Photo 2: Craig L. (July 2016)

Panguitch

Photo 2

Listing Updated:
July 2024

Operating Company:
South Central Communications

CLLI:
PNGTUTXCDS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 616, 676

Notes:
Current photo: GSV. Photo 2: Craig L. (September 2017)

Park City

Photo 2

Listing Updated:
September 2024

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

CLLI:
PRCYUTMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(435) 615, 645, 647, 649, 655, 658, 940

Notes:
Current photo: GSV. Photo 2: Craig L. (January 2014)

Parowan

Listing Updated:
July 2024

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

CLLI:
PRWNUTMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(435) 477

Notes:
Source: GSV

Price

"Main"

Listing Updated:
October 2024

Operating Company:
Emery Telcom

CLLI:
PRICUTMADS0

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

Prefixes Served:
(435) 613, 636-7

Notes:
Source: GSV

Price

"East Carbon"

Listing Updated:
August 2008

Opeating Company:
Emery Telcom

CLLI:
ECRCUTMARS1

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 888

Notes:
Source: GSV.

Price

"Helper"

Listing Updated:
September 2024

Operating Company:
Emery Telcom

CLLI:
HLPRUTMARS1

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 472

Notes:
Source: GSV

Salina

Listing Updated:
May 2023

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

CLLI:
SALNUTMARS1

Switch Type:
Ribbon/Genband/Nortel RLC

Prefixes Served:
(435) 529

Notes:
Source: GSV

Scipio

Listing Updated:
May 2023

Operating Company:
Frontier/Citizens

CLLI:
SCIPUTXCRS1

Switch Type:
Ribbon/Genband/Nortel 1RC

Prefixes Served:
(435) 758

Notes:
Source: GSV

St. George

"Main"

Photo 2 | Photo 3

Listing Updated:
March 2019

Operating Company:
CenturyLink/Quest/US West/Mountain Bell

CLLI:
STGRUTMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(435) 251, 628, 634, 652, 656, 673-4, 688, 986

Notes:
Current photo: GSV. Photos 2 and 3: Craig L. (June 2014)

St. George

"Hurricane"

Photo 2

Listing Updated:
April 2023

Operating Company:
CenturyLink/Quest/US West/Mountain Bell

CLLI:
HRCNUTMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(435) 635

Notes:
Current photo: GSV. Photo 2: Craig L. (June 2014)

St. George

"Leeds"

Listing Updated:
May 2023

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

CLLI:
LEDSUTMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(435) 879

Notes:
Source: GSV

St. George

"Springdale"

Photo 2

Listing Updated:
July 2024

Operating Company:
CenturyLink/Quest/US West/Mountain Bell

CLLI:
SPDLUTMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(435) 772

Notes:
Current photo: GSV. Photo 2: Craig L. (July 2016)

St. George

"Veyo"

Listing Updated:
May 2014

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

CLLI:
VEYOUTMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(435) 574

Notes:
Source: GSV.

St. George

"Washington"

Photo 2 | Photo 3

Listing Updated:
April 2023

Operating Company:
CenturyLink/Quest/US West/Mountain Bell

CLLI:
WASHUTMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(435) 627

Notes:
Current photo: GSV. Photos 2 and 3: Craig L. (June 2014)

Thompson

Listing Updated:
October 2021

Operating Company:
Frontier/Citizens

CLLI:
THSNUTXCRL1

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(435) 285

Notes:
Source: GSV

Tooele

"Main"

Listing Updated:
August 2024

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

CLLI:
TOOLUTMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(435) 277, 833, 843, 882

Notes:
Source: GSV

Tooele

"Grantsville"

Listing Updated:
August 2024

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

CLLI:
GTVLUTMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(435) 884

Notes:
Source: GSV

Tremonton

Listing Updated:
August 2023

Operating Company:
Frontier/Citizens

CLLI:
TRMNUTXCDS0

Switch Type:
Nokia/Siemens/Stromberg-Carlson DCO

Prefixes Served:
(435) 207, 257

Notes:
Source: GSV

Vernal

Listing Updated:
September 2024

Operating Company:
Strata Networks/Ubta-Ubet Communications

CLLI:
VRNLUTMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(435) 247, 353, 454, 545, 548, 622, 646, 722, 725, 738, 781, 789, 848

Notes:
Serves multiple ratecenters. Source: GSV

Area Code 435Telephone Central Office Building Pictures

Area Code 435
Telephone Central Office Building Pictures