Home Page
About Us
FAQ
Listings by US State
Listings by Area Code
Listings by Region
Canada
International
What's New
Links
Contact Us

 

Area Code 520
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 520 (south/southeastern Arizona).

Click on the pictures below for a larger version.


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!

 

Visit other Arizona Area Codes: 480 520 602 623 928

Visit nearby regions: California Nevada New Mexico Utah


Copyright 2024 Telephone Central Office Building Pictures
Page last modified December 11, 2024
Contact us for more information