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Area Code 510
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 510 (California).

Click on the pictures below for a larger version.


Hayward

"Main"

Listing Updated:
October 2011

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

CLLI:
HYWRCA01DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(510) 247, 537-8, 581-3, 690, 727-8, 733, 881, 884-6, 888-9

Notes:
Source: TCO

 

Hayward

"Depot"

Listing Updated:
October 2011

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

CLLI:
HYWRCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(510) 259, 264-6, 293, 670, 723, 732, 780-6, 887

Notes:
Source: TCO

 

Hayward

"San Leandro"

Listing Updated:
October 2011

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

CLLI:
SNLNCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(510) 258, 276, 278, 297, 317, 346-7, 351-2, 357, 481, 483, 614, 618, 667, 678, 895

Notes:
Also serves of Oakland-Trinidad.
Source: TCO

 

Oakland-Berkeley

"Berkeley"

Listing Updated:
October 2011

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

CLLI:
BKLYCA01DS0
BKLYCA01DS1

Switch Type:
DS0: Genband/Nortel DMS-100
DS1: Genband/Nortel DMS-100

Prefixes Served:
DS0: (510) 495, 642-3, 647, 649, 664-6, 704-5, 845, 848, 981

DS1: (510) 204, 229, 486, 540, 548-9, 644, 841, 843, 849, 883

Notes:
Source: TCO

 

 


Copyright 2011 Central Office Building Pictures
Page last modified October 22, 2011
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