Area Code 858
Telephone Central Office Pictures

The following are representative examples of telephone central office buildings in Area Code 858 (northern San Diego, California).

Click on the pictures below for a larger version.

Del Mar Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: DLMRCA12DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (858) 259, 350, 481, 509, 523, 720, 755, 792-4, 847 Notes: Current photo source: GSV. Original photo from January 2011.
La Jolla "Girard" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: LAJLCA11DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (858) 454, 456, 459, 551, 729 Notes: Current photo source: GSV. Original photo from June 2008. Suburban central office.
La Jolla "Pacific Beach - Garnet" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: PCBHCA01DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (619) 275-6 (858) 270, 272-4, 483, 490, 581 Notes: Current photo source: GSV. Original photo from June 2008.  Urban central office.
La Jolla "Pacific Beach - Hornblend" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: PCBHCA11RS0 Switch Type: Nokia/Alcatel/Lucent 5ESS RSM Prefixes Served: (858) 488, 539 Notes: Current photo source: GSV. Original photo from August 2007.  Host: San Diego-Regents (SNDGCA15DS0). This central office building is located in a highly densely populated residential neighborhood. The building blends in well with the surrounding houses and apartment complexes.
La Jolla "Regents" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: SNDGCA15DS0 SNDGCA15DS1 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Nokia/Alcatel/Lucent 5ESS Prefixes Served: DS0: (858) 334, 404, 452-3, 455, 525, 534-5, 546, 552, 554, 597, 623, 625-6, 642-3, 646, 822, 824, 826 DS1: (858) 202, 320, 450, 457-8, 526, 550, 558, 587, 622, 638, 657-8, 677-8, 784, 909 Notes: Current photo source: GSV. Original photo from June 2008.  Large suburban central office.
La Jolla "Trade Street" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: SNDGCA64RS0 Switch Type: Ribbon/Genband/Nortel RSC Prefixes Served: (858) 886 Notes: Current photo source: GSV. Original photo from January 2011.  Supposedly this is one of two Network Operations Centers in California (the other one in Sacramento).
Poway "Midland" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: POWYCA11DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (858) 391, 486, 513, 668, 679, 748 Notes: Current photo source: GSV. Original photo from June 2008.  Suburban central office, disguised to blend in the surroundings of a restored "old west" town.
Rancho Bernardo Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: RBRNCA11DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (858) 385, 451, 485, 487, 521, 592, 613, 618, 655, 672-6, 924 Notes: Current photo source: GSV. Original photo from June 2008.  Suburban central office. Also covers one NXX code from nearby Rancho Penasquitos.
Rancho Penasquitos Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: RNPSCA11DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (858) 215, 360, 484, 538, 780 Notes: Current photo source: GSV. Original photo from June 2008.  Suburban central office.
Rancho Santa Fe Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: RSFECA12DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (858) 756, 759 Notes: Current photo source: GSV. Original photo from June 2008. Suburban central office. Made to look fancy in a very expensive neighborhood.
San Diego "Linda  Vista" Photo 2 | Photo 3	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: SNDGCA03DS0 SNDGCA03DS1 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Ribbon/Genband/Nortel DMS-100 Prefixes Served: DS0: (858) 268, 279, 467, 492, 495-6, 499, 502-3, 541, 573, 576, 614, 616, 627, 636-7, 650, 654, 939, 966, 974 DS1: (858) 277-8, 292, 505, 514, 522, 560, 565, 569, 571, 694, 715, 874 Notes: Current photo source: GSV. Original photos 2-3 from August 2007.  A very large central office building with several additions. Holds two separate DMS-100 switches.
San Diego "Mira Mesa" Photo 2	Listing Updated: May 2021 Operating Company: at&t/SBC/Pacific Telephone CLLI: SNDGCA16DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (858) 271, 437, 527, 530, 536-7, 547, 549, 566, 577-8, 586, 621, 635, 653, 684, 689, 693, 695, 831 Notes: Current photo source: GSV. Original photo from June 2008.  Large suburban central office.

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