Area Code 323
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 323 (outer Los Angeles).

Click on the pictures below for a larger version.

Los Angeles Zone 02 "Normandy"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA12DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 361, 644, 660-9, 671, 674, 783, 906, 912-3, 953 Notes: Source: GSV
Los Angeles Zone 03 "Clinton" Photo 2 | Photo 3	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA56DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 254-9, 340-1, 344, 349, 384, 478, 550-1, 982 Notes: Photos 2 and 3 are of the murals on the sides of the building. Source: GSV
Los Angeles Zone 04 "Capitol"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA23DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 221-7, 276-7, 342-3, 352, 409, 441, 539 Notes: Source: GSV
Los Angeles Zone 05 "Angelus"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA34DS0 LSANCA34DS1 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Ribbon/Genband/Nortel DMS-100 Prefixes Served: DS0: (323) 264, 266, 526, 604, 780, 980-1 DS1: (323) 260-3, 265, 267-9, 307, 415, 729, 881 Notes: Source: GSV
Los Angeles Zone 06 "Bell"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: BELLCA11DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 326, 560, 562, 771, 773 Notes: Source: GSV
Los Angeles Zone 06 "Huntington Park"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: HNPKCA01DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (323) 277, 581-9, 605, 826 Notes: Source: GSV
Los Angeles Zone 06 "South Gate"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: SGATCA01DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (323) 249, 357, 563-4, 566-9 Notes: Source: GSV
Los Angeles Zone 08 "Adams"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA14DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (323) 231-5, 238, 521, 846, 898 Notes: Source: GSV
Los Angeles Zone 09 "Pleasant"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA05DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 541, 565, 750-3, 758-9, 778, 786, 789, 971 Notes: Source: GSV
Los Angeles Zone 09 "Plymouth"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA13DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 241-2, 418, 420, 600, 754-7, 777, 779, 820 Notes: Source: GSV
Los Angeles Zone 11 "Republic"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA38DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (323) 373, 643, 730-5, 737, 766 Notes: Source: GSV
Los Angeles Zone 12 "Axminster"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA15DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 290-6, 298-9, 421, 545 Notes: Source: GSV
Los Angeles Zone 13 "Melrose"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA08DS0 LSANCA08DS1 Switch Type: DS0: Nokia/Alcatel/Lucent 5ESS DS1: Nokia/Alcatel/Lucent 5ESS Prefixes Served: DS0: (310) 289, 358, 423, 652, 657, 854-5, 967 (323) 654, 656, 698, 782, 848, 944, 951 DS1: (310) 360, 601, 659, 370 (323) 575, 619, 650-1, 653, 655, 658, 822, 852, 866, 966 Notes: Also serves parts of Beverly Hills and Los Angeles Zone 14. Source: GSV
Los Angeles Zone 13 "Webster" Photo 2	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA10DS0 Switch Type: Ribbon/Genband/Nortel DMS-100 Prefixes Served: (323) 525, 549, 634, 692, 954, 965 Notes: Photo 2 the original photo from June 2008. Current photo source: GSV
Los Angeles Zone 14 "Hollywood"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: HLWDCA01DS0 HLWDCA01DS1 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Ribbon/Genband/Nortel DMS-100 Prefixes Served: DS0: (323) 462, 464, 467, 468, 817, 836, 860, 862, 956-7, 962, 993 DS1: (323) 308, 382, 460-1, 463, 465-6, 469, 769, 856, 871, 960 Notes: Source: GSV
Los Angeles Zone 14 "Sunset"	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA29DS0 Switch Type: Nokia/Alcatel/Lucent 5ESS Prefixes Served: (323) 436, 512, 845, 850-1, 874, 876, 878, 882-3, 969 Notes: Source: GSV
Montebello	Listing Updated: May 2020 Operating Company: at&t/SBC/Pacific Telesis/Pacific Telephone CLLI: LSANCA35DS0 LSANCA35DS1 Switch Type: DS0: Ribbon/Genband/Nortel DMS-100 DS1: Ribbon/Genband/Nortel DMS-100 Prefixes Served: DS0: (323) 248, 271, 685, 722, 724, 832, 838, 869, 887, 890, 947 DS1: (323) 278, 720-1, 723, 725, 727-8, 837, 888-9 Notes: Also serves portions of Los Angeles Zone 05. Source: GSV