Telephone Central Office Building Pictures

Ajo

Photo 2

Listing Updated:
March 2024

Operating Company:
Table Top Telephone Co.

CLLI:
AJO AZXCDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 387

Notes:
Current photo source: GSV. Photo 2: Craig L. (April 2011)

Benson

"Main"

Photo 2

Listing Updated:
October 2024

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

CLLI:
BNSNAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 586

Notes:
Current photo source: GSV. Photo 2: Craig L. (December 2009)

Benson

"St. David"

Photo 2

Listing Updated:
November 2024

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

CLLI:
BNSNAZSDDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 720

Notes:
Current photo source: GSV. Photo 2: Craig L. (December 2009)

Bisbee

"Main"

Photo 2

Listing Updated:
November 2024

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

CLLI:
BISBAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 432

Notes:
Current photo source: GSV. Photo 2: Craig L. (December 2009)

Bisbee

"Palominas"

Photo 2

Listing Updated:
November 2024

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

CLLI:
PLMNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 366

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Bowie

Listing Updated:
February 2012

Operating Company:
Valley Telephone Cooperative

CLLI:
(was BOWIAZXCDS0)

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 847

Notes:
Source: Craig L.

Casa Grande

"Main"

Photo 2

Listing Updated:
July 2022

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

CLLI:
CSGRAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 316, 374, 421, 423, 426, 836, 858, 876

Notes:
Current picture source: GSV. Photo 2: Craig L. (October 2009)

Casa Grande

"Arizona City"

Photo 2

Listing Updated:
July 2022

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

CLLI:
AZCYAZ03RS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 494

Notes:
Current photo source: GSV. Photo 2: Craig L. (November 2010)

Casa Grande

"Coolidge"

Photo 2

Listing Updated:
September 2022

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

CLLI:
CLDGAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 723

Notes:
Current photo source: GSV. Photo 2: Craig L. (April 2010)

Casa Grande

"Eloy"

Photo 2

Listing Updated:
May 2023

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

CLLI:
ELOYAZ01RS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 464, 466

Notes:
Current photo source: GSV. Photo 2: Craig L. (December 2009)

Casa Grande

"Florence"

Photo 2

Listing Updated:
October 2016

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

CLLI:
FLRNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 866, 868

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Casa Grande

"Maricopa"

Photo 2

Listing Updated:
September 2022

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

CLLI:
MRCPAZMADS0

Switch Type:
Digital Switch (unknown type)

Prefixes Served:
(520) 568

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2009)

Casa Grande

"Stanfield"

Listing Updated:
August 2010

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

CLLI:
STFDAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 424

Notes:
Source: Craig L.

Cascabel

Listing Updated:
September 2011

Operating Company:
Midvale Telephone Company

CLLI:
CSELAZXCDS0

Switch Type:
Redcom MDX 10K

Prefixes Served:
(520) 212

Notes:
Source: Craig L. This area did not have telephone service until 1993.

Douglas

Photo 2

Listing Updated:
February 2024

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

CLLI:
DGLSAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 364, 368, 805

Notes:
Current photo source: GSV. Photo 2: Craig L. (May 2010)

Elfrida

Listing Updated:
November 2011

Operating Company:
Copper Valley Telephone

CLLI:
(was ELFRAZXCDS0)

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 642

Notes:
Source: Craig L.

Hayden

"Main"

Photo 2

Listing Updated:
May 2023

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

CLLI:
HYDNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 356

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2009)

Hayden

"Dudleyville"

Photo 2

Listing Updated:
January 2023

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

CLLI:
DDVLAZNMRS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 357

Notes:
Current photo source: GSV. Photo 2: Craig L. (January 2011)

Hayden

"Kearny"

Photo 2

Listing Updated:
May 2023

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

CLLI:
KRNYAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 363

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2009)

Lone Butte

"Main"

Photo 2

Listing Updated:
March 2019

Operating Company:
Gila River Telecom

CLLI:
LNBTAZXCDS1

Switch Type:
Coppercom CSX 1100 Media Gateway

Prefixes Served:
(520) 215, 315, 418, 430, 550, 562, 796

Notes:
This is the HQ of Gila River Telecom and is the central office for a number of ratecenters under a single switch. This telephone company was started in the 1980s to offer better telephone service to the people of the Gila River nation. Current photo source: GSV. Photo 2: Craig L. (August 2010)

Lone Butte

"Blackwater"

Listing Updated:
May 2011

Operating Company:
Gila River Telecom

CLLI:
(was BLWRAZXADS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 215

Notes:
Source: Craig L.

Lone Butte

"Casa Blanca"

Listing Updated:
October 2011

Operating Company:
Gila River Telecom

CLLI:
(was CSBLAZXADS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 315

Notes:
Source: Craig L.

Lone Butte

"Komatke"

Listing Updated:
February 2012

Operating Company:
Gila River Telecom

CLLI:
(was KMTKAZXADS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 550

Notes:
Source: Craig L.

Lone Butte

"Stotonic"

Listing Updated:
February 2012

Operating Company:
Gila River Telecom

CLLI:
(was STTNAZXADS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 418

Notes:
Source: Craig L.

Lone Butte

"Maricopa Village/Laveen"

Listing Updated:
December 2010

Operating Company:
Gila River Telecom

CLLI:
(was MRVGAZXCDS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 430

Notes:
Source: Craig L.

Lone Butte

"Sacaton"

Listing Updated:
August 2010

Operating Company:
Gila River Telecom

CLLI:
(was SCTNAZXCDS0)

Switch Type:
(C1100 remote node)

Prefixes Served:
(520) 562

Notes:
Source: Craig L.

Nogales

"Main"

Photo 2

Listing Updated:
June 2022

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

CLLI:
NGLSAZMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(520) 285, 287, 397

Notes:
Current photo source: GSV. Photo 2: Craig L. (November 2010)

Nogales

"Midway"

Photo 2

Listing Updated:
September 2023

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

CLLI:
NGLSAZMWDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 281, 375, 377, 761

Notes:
Current photo source: GSV. Photo 2: Craig L (November 2010)

Nogales

"Patagonia Main"

Photo 2

Listing Updated:
September 2023

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

CLLI:
PTGNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 394

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Nogales

"Patagonia Elgin"

Photo 2

Listing Updated:
August 2023

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

CLLI:
PTGNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 455

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2011)

Nogales

"Rio Rico"

Listing Updated:
February 2012

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

CLLI:
NGLSAZ03RS2

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
None

Notes:
A remote off of Nogales Midway but does not have any unique prefixes of its own. Source: Craig L.

Pearce

Photo 2

Listing Updated:
January 2024

Operating Company:
Valley Telephone Cooperative

CLLI:
PERCAZXCDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 558, 642, 824, 826, 845, 847
(575) 557
(928) 359, 687, 828

Notes:
Serves a number of ratecenters from a single swtich, also serving a ratecenter in New Mexico. Current photo source: GSV. Photo 2: Craig L. (November 2011)

Portal

Listing Updated:
February 2012

Operating Company:
Valley Telephone Cooperative

CLLI:
(was PRTLAZXCDS0)

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 558
(575) 557

Notes:
Also serves Rodeo, NM.
Source: Craig L.

San Manuel

"Main"

Photo 2

Listing Updated:
January 2023

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

CLLI:
SNMNAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 385

Notes:
Current photo source: GSV. Photo 2: Craig L. (January 2011)

San Manuel

"Mammoth"

Photo 2

Listing Updated:
January 2023

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

CLLI:
MMTHAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 487

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2009)

San Manuel

"Oracle"

Photo 2

Listing Updated:
January 2023

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

CLLI:
ORCLAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 896

Notes:
Current photo source: GSV. Photo 2: Craig L. (January 2011)

San Simon

Listing Updated:
February 2012

Operating Company:
Valley Telephone Cooperative

CLLI:
(was SNSMAZXCDS0)

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 845

Notes:
Source: Craig L.

Santa Rosa

Photo 2

Listing Updated:
March 2024

Operating Company:
Tohono O'Odham Utility Authority

CLLI:
SNRSAZXARS0

Switch Type:
Digital Switch (unknown type)

Prefixes Served:
(520) 361

Notes:
Current photo source: GSV. Photo 2: Craig L. (January 2013)

Sasabe

Photo 2

Listing Updated:
April 2023

Operating Company:
TDS/Arizona Telephone Company

CLLI:
SASBAZXCGT0

Switch Type:
Trunk Gateway

Prefixes Served:
(520) 823

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

Sells

Photo 2

Listing Updated:
March 2024

Operating Company:
Tohono O'odham Utility Authority

CLLI:
SLLSAZXADS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 383

Notes:
Current photo source: GSV. Photo 2: Craig L. (April 2011)

Sierra Vista

"Main"

Photo 2

Listing Updated:
November 2024

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

CLLI:
SRVSAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 417, 439, 452, 458-9, 515, 533, 538

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Sierra Vista

"North"

Photo 2

Listing Updated:
October 2024

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

CLLI:
SRVSAZNORS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 456

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Sierra Vista

"South"

Photo 2

Listing Updated:
November 2024

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

CLLI:
SRVSAZSODS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 378, 803

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Silverbell

"Eloy"

Photo 2

Listing Updated:
January 2012

Operating Company:
Midvale Telephone Company

CLLI:
ELOYAZ05DS0

Switch Type:
Redcom Laboratories IGM-MT

Prefixes Served:
(520) 898

Notes:
Source: Craig L.

Sunizona

Listing Updated:
November 2011

Operating Company:
Valley Telephone Cooperative

CLLI:
(was SNZNAZXCDS0)

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 824

Notes:
Source: Craig L.

Superior

Photo 2

Listing Updated:
April 2023

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

CLLI:
SPRRAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 689

Notes:
Current photo source: GSV. Photo 2: Craig L. (July 2010)

Tombstone

Photo 2

Listing Updated:
November 2024

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

CLLI:
TMBSAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 457

Notes:
Current photo source: GSV. Photo 2: Craig L. (December 2009)

Tucson

"Main"

Photo 2 | Photo 3 | Photo 4 | Photo 5

Photo 6 | Photo 7 | Photo 8

Listing Updated:
August 2024

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

CLLI:
TCSNAZMADS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 205-6, 209, 388, 594, 617, 620-4, 626, 628-9, 638, 670, 695, 740, 770, 791-2, 798, 838, 872, 879-80, 882, 884, 903

Notes:
Current photo source: GSV. Photos 2-8: Craig L. (November 2010). Was home to an AT&T Long Lines tandem in the building next door (former 114-T).

Tucson

"Catalina"

Photo 2 | Photo 3

Listing Updated:
April 2023

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

CLLI:
TCSNAZCADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 232, 299, 529, 577, 615

Notes:
Current photo source: GSV. Photos 2 and 3: Craig L. (May 2011). Photo 3 shows some more detail of the door area and it's period stone work.

Tucson

"Coronado"

Photo 2 | Photo 3

Listing Updated:
January 2023

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

CLLI:
CRNDAZMADS1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 818, 825

Notes:
Current photo source: GSV. Photos 2 and 3: Craig L. (June 2011)

Tucson

"Cortaro"

Photo 2

Listing Updated:
February 2023

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

CLLI:
TCSNAZCODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 572, 579, 744

Notes:
Current photo source: GSV. Photo 2: Craig L. (November 2010)

Tucson

"Craycroft"

Photo 2 | Photo 3

Listing Updated:
July 2024

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

CLLI:
TCSNAZCRDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 512-4, 519, 570-1, 584, 745, 747-8, 750, 790

Notes:
Current photo source: GSV. Photos 2 and 3: Craig L. (May 2011). Photo 3 shows some more detail of the decorative entry and tilework.

Tucson

"East"

Photo 2

Listing Updated:
August 2024

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

CLLI:
TCSNAZEADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 318-27, 784, 795, 874, 881

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Tucson

"Flowing Wells"

Photo 2

Listing Updated:
August 2024

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

CLLI:
TCSNAZFWDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 292-3, 407-8, 690, 696,887-8

Notes:
Current source: GSV. Photo 2: Craig L. (May 2011)

Tucson

"Green Valley"

Photo 2

Listing Updated:
April 2023

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

CLLI:
GNVYAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 393, 399, 625, 648

Notes:
Current photo source: GSV. Photo 2: Craig L. (August 2010)

Tucson

"Marana Main"

Photo 2

Listing Updated:
July 2023

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

CLLI:
MARNAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 616

Notes:
Curent photo source: GSV. Photo 2: Craig L. (May 2010)

Tucson

"Marana South"

Photo 2

Listing Updated:
January 2023

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

CLLI:
MARNAZ03RS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 682

Notes:
Current photo source: GSV. Photo 2: Craig L. (October 2011)

Tucson

"Marana West"

Photo 2

Listing Updated:
February 2023

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

CLLI:
MARNAZ02RS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 665

Notes:
Current photo source: GSV. Photo 2: Craig L. (May 2011)

Tucson

"Mount Lemon"

Listing Updated:
October 2011

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

CLLI:
TCSNAZMLRS2

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 576

Notes:
Source: Craig L.

Tucson

"North"

Photo 2

Listing Updated:
July 2023

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

CLLI:
TCSNAZNODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 218-9, 225, 229, 291, 297, 410, 469, 489, 498, 516, 531, 544, 566, 575, 712, 742, 793, 797, 877-8

Notes:
Photo 2 is the original by Craig L. in May 2011. Current picture source: GSV.

Tucson

"Rincon"

Photo 2

Listing Updated:
May 2024

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

CLLI:
TCSNAZRNDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 258, 290, 296, 298, 546, 721-2, 731, 733, 751, 873, 885-6

Notes:
Current photo: GSV. Photo 2: Craig L. (May 2011)

Tucson

"South"

Photo 2 | Photo 3 | Photo 4

Listing Updated:
January 2023

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

CLLI:
TCSNAZSODS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 243, 294-5, 434, 573, 741, 746, 794, 799, 806-7, 889

Notes:
Current photo: GSV. Photos 2-4: Craig L. (May 2011). Photo 3 shows a straight shot of the entry, photo 4 is of the mailbox out front, still marked as Mountain Bell. Current photo source: GSV

Tucson

"Southeast"

Photo 2

Listing Updated:
February 2024

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

CLLI:
TCSNAZSEDS0

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

Prefixes Served:
(520) 574, 662-4

Notes:
Current photo: GSV. Photo 2: Craig L. (August 2010)

Tucson

"Southwest"

Photo 2

Listing Updated:
November 2024

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

CLLI:
TCSNAZSWDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(520) 578, 822, 883, 908

Notes:
Current photo source: GSV. Photo 2: Craig L. (May 2011)

Tucson

"Tanque Verde"

Photo 2

Listing Updated:
June 2023

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

CLLI:
TCSNAZTVDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(520) 749, 760

Notes:
Current photo source: GSV. Photo 2: Craig L. (May 2011)

Tucson

"Tubac"

Photo 2

Listing Updated:
June 2022

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

CLLI:
TUBCAZMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(520) 398

Notes:
Current photo: GSV. Photo 2: Craig L. (August 2010)

Tucson

"Vail North"

Photo 2

Listing Updated:
July 2023

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

CLLI:
VAILAZNORS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 647

Notes:
Current photo: GSV. Photo 2: Craig L. (December 2009)

Tuscon

"Vail South"

Listing Updated:
September 2011

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

CLLI:
VAILAZSODS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 762

Notes:
Source: Craig L.

Tucson

"West"

Photo 2

Listing Updated:
August 2023

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

CLLI:
TCSNAZWERS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 743

Notes:
Current photo source: GSV. Photo 2: Craig L. (May 2011)

West San Simon

"Santa Rosa"

Photo 2

Listing Updated:
March 2024

Operating Company:
Tohono O'odham Utility Authority

CLLI:
SNRSAZXCRS0

Switch Type:
DS (unknown type)

Prefixes Served:
(520) 362

Notes:
Current photo source: GSV. Photo 2: Craig L. (April 2011)

Whitlow

Photo 2

Listing Updated:
April 2023

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

CLLI:
WHTLAZMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-10

Prefixes Served:
(520) 463

Notes:
Current photo source: GSV. Photo 2: Craig L. (July 2010)

Willcox

Photo 2 | Photo 3

Listing Updated:
October 2023

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

CLLI:
WLCXAZMARS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(520) 384

Notes:
Current photo: GSV. Photos 2 and 3: Craig L. (November 2011). I wouldn't put a payment in the payment box in Photo 3!

Area Code 520Telephone Central Office Building Pictures

Area Code 520
Telephone Central Office Building Pictures