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Area Codes 760 & 442
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 760 & 442 (Northern and Eastern San Diego County, California).

Click on the pictures below for a larger version.


Baker

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
BAKRCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 733

Notes:
Source: TCO

 

Barstow

Listing Updated:
April 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRSWCAXHDS0

Switch Type:
Alcatel/Lucent 5ESS Host

Prefixes Served:
(760) 255-6, 957

Notes:
Source: Craig L.

 

Barstow

"South Barstow"

Listing Updated:
April 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRSWCAXJRS6

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 252, 577

Notes:
Source: Craig L.

 

Barstow

"Yermo"

Listing Updated:
April 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
YERMCAXFRS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 254

Notes:
Source: Craig L.

 

Benton

Photo 2

Listing Updated:
July 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
BNTNCAXFRS1

Switch Type:
Genband/Nortel DMS-10 Remote

Prefixes Served:
(760) 933

Notes:
Source: Craig L.

 

Big Pine

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BGPICAXFRS2

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 938

Notes:
Source: TCO

 

Bishop

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BSHPCAXG87X

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 872-3

Notes:
Source: TCO

 

Blythe

Photo 2

Listing Updated:
December 2010

Operating Company:
Frontier/Frontier/Verizon/GTE

CLLI:
BLYTCAXF92K

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(760) 921-2

Notes:
Source: Craig L.

 

Boron

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BORNCAXFRS3

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 762

Notes:
Source: TCO

 

Boron

"North Edwards"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
NEDWCAXFRS4

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 769

Notes:
Source: TCO

 

Borrego

"Borrego Springs"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRSPCA11RS2

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 767

Notes:
Source: TCO

 

Brawley

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
BRWLCA11RS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 344, 351

Notes:
Source: Craig L..

 

Bridgeport

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRPTCAXFRS4

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 932

Notes:
Source: TCO

 

Calexico

Photo 2

Listing Updated:
March 2014

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
CLXCCA12DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 357, 768

Notes:
Source: Craig L.

 

Calipatria

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
CLPTCA11RS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 348

Notes:
Source: Craig L..

 

Calipatria

"Niland Main"

Photo 2

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
NILDCA11RS5

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 359

Notes:
Source: Craig L..

 

Calipatria

"Niland Westmoreland"

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
NILDCA12RS6

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 354

Notes:
Also serves parts of Bombay Beach.
Source: Craig L.

 

Crowley Lake

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
CRLKCAXFRS1

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 935

Notes:
Source: TCO

 

Desert Center

Photo 2

Listing Updated:
December 2010

Operating Company:
Frontier/Verizon/GTE

CLLI:
DSCTCAXGRS1

Switch Type:
Automatic Electric GTD-5 RSU

Prefixes Served:
(760) 227

Notes:
Source: Craig L.

 

Desert Hot Springs

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
DHSPCAXF32X

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 251, 288, 329

Notes:
Source: Craig L..

 

El Centro

Photo 2

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
ELCNCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 312, 335-7, 339, 352-3, 370, 482

Notes:
Source: Craig L..

 

Encinitas

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
ENCTCA12DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 436, 479, 632-5, 642, 753, 943-4

Notes:
 

 

Escondido

Photo 2 | Photo 3

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
ESCNCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 233, 291, 432, 480, 489, 504, 735, 737-41, 743, 745-7, 781, 796, 839, 975

Notes:
Note the art deco design.

 

Fallbrook

Photo 2

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
FLBKCA12DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 451, 723, 728, 731

Notes:
Really hard to get a good shot at this CO. So I had to take it from the right and then from the left.

 

Holtville

Photo 2

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
HLVLCA11RS3

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 356

Notes:
Source: Craig L..

 

Imperial

Photo 2 | Photo 3

Listing Updated:
April 2012

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
IMPRCA11RS4

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 355

Notes:
Source: Craig L..

 

Independence

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
INDPCAXFRS4

Switch Type:
Genband/Nortel RLC

Prefixes Served:
(760) 878

Notes:
Source: TCO

 

Indio

Listing Updated:
December 2010

Operating Company:
Frontier/Verizon/GTE

CLLI:
INDICAXGDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 342, 347, 775, 863

Notes:
Source: Craig L.

 

Indio

"Coachella"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
CCHLCAXF39L

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 391-2, 398

Notes:
Also serves Eagle Mountain.
Source: Craig L..

 

Indio

"La Quinta"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
LAQNCAXG56L

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 564, 771, 777

Notes:
Source: Craig L..

 

Indio

"Mecca"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
MECCCAXFRS6

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 396

Notes:
Source: Craig L..

 

Indio

"North Shores"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
NSHRCAXFRS6

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 393

Notes:
Source: Craig L..

 

Indio

"Thermal"

Photo 2

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
THRMCAXFRS5

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 399

Notes:
Source: Craig L..

 

Inyokem

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
INYKCAXFRS2

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 377

Notes:
Source: TCO

 

Joshua Tree

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
JSTRCAXFRS2

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 366

Notes:
Source: Craig L..

 

Julian

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
JULNCA12RS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 765

Notes:
Source: TCO

 

Lee Vinning

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
LVNGCAXFRS5

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 647

Notes:
Source: TCO

 

Lenwood

Listing Updated:
April 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
LNWDCAXFRS2

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 253

Notes:
Source: Craig L.

 

Lone Pine

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
LNPNCAXFRS5

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 876

Notes:
Source: TCO

 

Morongo Valley

Photo 2

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
MRVYCAXFRS5

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 363

Notes:
Source: Craig L..

 

Needles

Photo 2

Listing Updated:
April 2011

Operating Company:
Frontier/Frontier/Verizon/GTE

CLLI:
NDLSCAXGDS0

Switch Type:
DSF

Prefixes Served:
(760) 326

Notes:
Source: Craig L.

 

Newberry

Listing Updated:
April 2011

Operating Company:
Frontier/Frontier/Verizon/GTE

CLLI:
NWBRCAXFRS5

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 257

Notes:
Source: Craig L.

 

Oceanside: Carlsbad DA

"Carlsbad-La Costa"

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
CRLSCA12DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 268, 431, 438, 476, 579, 602-3, 804, 918, 929-31

Notes:
 

 

Oceanside: Oceanside DA

"Carlsbad-Harding"

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
CRLSCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 434, 720, 729-30

Notes:
 

 

Oceanside: Oceanside DA

"Mission"

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
OCSDCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 430, 433, 435, 439, 539, 649, 721-2, 725, 754, 757, 763, 901, 966-7

Notes:
Serves parts of Oceanside: Pendleton DA ratecenter.

 

Ocotillo

"Coyote Wells"

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
CYWLCA11RS2

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 358

Notes:
Source: TCO

 

Olancha

Listing Updated:
July 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
OLNCCAXFRS6

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 764

Notes:
Source: Craig L.

 

Palm Desert

"Main"

Listing Updated:
December 2010

Operating Company:
Frontier/Verizon/GTE

CLLI:
PLDSCAXF34A

Switch Type:
Automatic Electric GTD-5 EAX

Prefixes Served:
(760) 340-1, 346, 568, 636, 674, 773, 779, 836-7, 862

Notes:
Source: Craig L.

 

Palm Desert

"Bermuda Pines"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
BRDNCAXF34G

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 200, 345, 360, 772

Notes:
Source: Craig L..

 

Palm Desert

"Thousand Palms"

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
THPLCAXFDS0

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 343

Notes:
Source: Craig L.

 

Palm Springs

"East"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
PLSPCAXGDS0
PLSPCAXG32G

Switch Type:
DS0: Alcatel/Lucent 5ESS
32G: Automatic Electric GTD-5

Prefixes Served:
DS0: (760) 318, 320, 323, 416, 819-20, 834

32G: (760)322, 325, 327, 778, 833, 864, 866, 883

Notes:
Also serves parts of Twentynine Palms & Yucca Valley.
Source: TCO

 

Palm Springs

"Rancho Mirage"

Photo 2

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
RNMGCAXFDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 202, 321, 324, 328, 770

Notes:
Source: Craig L..

 

Palo Verde

Listing Updated:
June 2014

Operating Company:
Frontier Communications

CLLI:
PLVRCAXFRS1

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 854

Notes:
Source: Craig L. in AZ.

 

Pauma Valley

"Pala"

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
PALACA11RS0

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 742

Notes:
This is a remote off of San Marcos. Source: TCO

 

Pine Creek

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
PNCKCAXFRS1

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 387

Notes:
Source: TCO

 

Pinyon

Photo 2

Listing Updated:
October 2013

Operating Company:
Frontier/Verizon/GTE

CLLI:
PNYNCAXFRS7

Switch Type:
Automatic Electric RSU

Prefixes Served:
(760) 349

Notes:
Source: GJB

 

Ramona

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
RAMNCA11DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(760) 787-9

Notes:
 

 

Randsburg

Listing Updated:
July 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
RNBGCAXFRS4

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 374

Notes:
Source: Craig L.

 

Salton

"Salton City"

Photo 2

Listing Updated:
March 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
SLCYCAXFRS8

Switch Type:
Automatic Electric GTD-5EAX Remote

Prefixes Served:
(760) 394

Notes:
Source: Craig L.

 

Salton

"Desert Shores"

Photo 2

Listing Updated:
March 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
DSSHCAXFRS9

Switch Type:
Automatic Electric GTD-5EAX Remote

Prefixes Served:
(760) 395

Notes:
Source: Craig L.

 

San Marcos

Photo 2

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
SNMCCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 471, 510, 591, 593, 597-9, 727, 734, 736, 744, 752, 761, 891

Notes:
Serves parts of Vista ratecenter. Notice how big and deep this CO is in Photo 2.

 

Twentynine Palms

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
TWPLCAXF36K

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 361, 367, 865

Notes:
Source: Craig L..

 

Valley Center

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
VLCTCA11RS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 749, 751

Notes:
Source: TCO

 

Victorville-Adelanto

"Adelanto"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
ADLNCAXFDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 246, 530

Notes:
Source: TCO

 

Victorville-Apple Valley

"Desert Knolls"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
DSKNCAXFRS1

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) x

Notes:
Source: TCO

 

Victorville

"Helendale"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
HNDLCAXFRS2

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 952

Notes:
Source: TCO

 

Victorville

"Victorville"

Listing Updated:
October 2011

Operating Company:
Frontier/Verizon/GTE

CLLI:
VTVLCAXADS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 241, 243, 245, 261, 269, 381, 843, 951, 955, 962

Notes:
Source: TCO

 

Vista

Listing Updated:
January 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
VISTCA12DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(760) 414, 630-1, 639, 643, 724, 726, 732, 758, 806, 940-1, 945

Notes:
Old building on right, newer expansion on left.

 

Warner Springs

Listing Updated:
October 2011

Operating Company:
at&t/SBC/Pacific Telesis/Pacific Telephone

CLLI:
WNSPCA12RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(760) 782

Notes:
Source: TCO

 

Wrightwood: Phelan DA

"Phelan"

Listing Updated:
September 2013

Operating Company:
Frontier/Verizon/GTE

CLLI:
PHLNCAXFRS6

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 868

Notes:
Source: GJB

 

Wrightwood: Wrightwood DA

"Wrightwood"

Listing Updated:
September 2013

Operating Company:
Frontier/Verizon/GTE

CLLI:
WRWDCAXFRS8

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(760) 249

Notes:
Source: GJB

 

Yucca Valley

Listing Updated:
April 2012

Operating Company:
Frontier/Verizon/GTE

CLLI:
YCVYCAXG36X

Switch Type:
Automatic Electric GTD-5

Prefixes Served:
(760) 228, 365, 369

Notes:
Source: Craig L..

 

 


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