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Area Code 831
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 831 (California).

Click on the pictures below for a larger version.


Aptos
 

Listing Updated:
November 2011

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

CLLI:
APTSCA12DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 661-2, 684-5, 687-9

Notes:
Source: TCO

 

Carmel
 

Listing Updated:
November 2011

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

CLLI:
CRMLCA11DS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(831) 620, 622, 624-6

Notes:
Source: TCO

 

Carmel Valley
 

Listing Updated:
November 2011

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

CLLI:
CRVYCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 659

Notes:
Source: TCO

 

Castroville
 

Listing Updated:
November 2011

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

CLLI:
CSVLCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 632-3

Notes:
Source: TCO

 

Chualar
 

Listing Updated:
November 2011

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

CLLI:
CHLRCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 679

Notes:
Source: TCO

 

Gonzales
 

Listing Updated:
November 2011

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

CLLI:
GNZLCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 675

Notes:
Source: TCO

 

Greenfield
 

Listing Updated:
November 2011

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

CLLI:
GNFDCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 674

Notes:
Source: TCO

 

Hollister
 

Listing Updated:
November 2011

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

CLLI:
HLSTCA11DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 630, 634-8

Notes:
Source: TCO

 

Monterey

"Main"
 

Listing Updated:
November 2011

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

CLLI:
MTRYCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 242, 333, 372-3, 375, 641-9, 655-8

Notes:
Source: TCO

 

Monterey

"Seaside"
 

Listing Updated:
November 2011

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

CLLI:
SESDCA11DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 392-4, 583, 899

Notes:
Source: TCO

 

Salinas

"Main"
 

Listing Updated:
November 2011

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

CLLI:
SLNSCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 422, 424, 751, 753-5, 757-9, 760-72, 775, 783-4, 796

Notes:
Source: TCO

 

Salinas

"Hickory"
 

Listing Updated:
November 2011

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

CLLI:
SLNSCA11DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 442-4, 449

Notes:
Source: TCO

 

Salinas

"Mohawk"
 

Listing Updated:
November 2011

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

CLLI:
SLNSCA14RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 663

Notes:
Source: TCO

 

San Juan
 

Listing Updated:
November 2011

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

CLLI:
SNJNCA11RS1

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 623

Notes:
Source: TCO

 

Santa Cruz

"Main"
 

Listing Updated:
November 2011

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

CLLI:
SNCZCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 420, 421, 423, 425-7, 429, 435, 454, 457-60, 466, 469, 471, 502

Notes:
Source: TCO

 

Santa Cruz

"Greenwood"
 

Listing Updated:
November 2011

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

CLLI:
SNCZCA11DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 462, 464-5, 475-7, 479

Notes:
Source: TCO

 

Soledad
 

Listing Updated:
November 2011

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

CLLI:
SLDDCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 678

Notes:
Source: TCO

 

Watsonville

"Main"
 

Listing Updated:
November 2011

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

CLLI:
WTVLCA01DS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(831) 722, 724, 728, 761, 763, 768, 786

Notes:
Source: TCO

 

Watsonville

"Aromas"
 

Listing Updated:
November 2011

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

CLLI:
ARMSCA11RS0

Switch Type:
Alcatel/Lucent 5ESS Remote

Prefixes Served:
(831) 726

Notes:
Source: TCO

 

 


Copyright 2011 Central Office Building Pictures
Page last modified November 4, 2011
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