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Area Code 210
Telephone Central Office Building Pictures

The following are respresntative examples of telephone central office buildings in Area Code 210 (San Antonio, Texas metro area).

Click on the pictures below for a larger version.


San Antonio

"Babcock"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXBADS0

Switch Type:
Alcatel/Lucent 5ESS Host

Prefixes Served:
(210) 458, 558, 561, 641, 690-1, 694, 696-7,
699, 877

Notes:
 

 

 

San Antonio

"Capitol"

Photo 2 | Photo 3

Photo 4 | Photo 5

 

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXCADS2
SNANTXCADS3
SNANTXCA03T
SNANTXCA06T

Switch Type:
DS2 & DS3: Alcatel/Lucent 5ESS
03T & 06T: Genband/Nortel DMS-200

Prefixes Served:
DS2: (210) 206-8, 225, 227-9, 231, 233, 235, 244, 246, 250, 255, 258, 261, 272, 281, 292, 296-7, 302, 335, 351-4, 357-8, 362, 368-70, 423, 444, 472, 474-6, 518, 527-8, 554, 688, 671, 704, 730, 856, 886, 925, 938, 978, 999

DS3: (210) 212, 220, 222-4, 226, 230, 242, 270-1, 277, 299, 487

Notes:
DS2 & DS3 are local end-office switches. 03T is the LATA tandem for the downtown and southern San Antonio area. 06T is for TOPS (Traffic Operator Position System) functions.

 

 

San Antonio

AT&T Tandem & OSPS

 

Listing Updated:
February 2007

Operating Company:
AT&T (Long Lines)

CLLI:
SNANTXCA02T
SNANTXCA05T

Switch Type:
02T: WECO/Lucent 4ESS tandem
05T: Alcatel/Lucent 5ESS OSPS

Prefixes Served:
4ESS tandem as a CLEC
(as SNANTXCADS5): (210) 200, 331-2, 991

Notes:
02T: Long-haul 4ESS tandem functions.
05T: OSPS (Operator Services Position System) functions.

 

San Antonio

"Culebra"

Photo 2 | Photo 3

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXCUDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(210) 256-7, 397, 509, 520-3, 543, 647, 680-2, 684, 688, 706, 767

Notes:
Photo 3 was taken down the street.

 

San Antonio

"Diamond"

Photo 2

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXDIDS2
SNANTXDI01T

Switch Type:
DS2: Genband/Nortel DMS-100
01T: Alcatel/Lucent 5ESS

Prefixes Served:
DS2: (210) 308, 321, 323, 340-5, 348-9, 366, 377, 384, 442, 524-5, 541, 979

Notes:
DS2 is a local end-office switch. 01T is the LATA tandem serving the northern San Antonio area. The building looks deceptive - there are three large additions in the back.

 

San Antonio

"Edison"

Photo 2 | Photo 3

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXEDDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(210) 304, 333, 337, 359-60, 648

Notes:
Photo 3 shows the fiber optic cable right of way.

 

San Antonio

"Leon Springs"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXLSRS1

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(210) 687, 698

Notes:
 

 

San Antonio

"Martinez"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXMADS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(210) 310, 661-2, 666

Notes:
 

 

San Antonio

"Medical Center"

Photo 2

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXMCDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(210) 276, 282, 443, 450, 456, 498, 562, 567, 575, 592, 595, 614-6, 692, 705, 949, 989

Notes:
This is a large central office with two buildings side by side.

 

San Antonio

"Palo Alto"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXPARS0

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(210) 624, 628

Notes:
 

 

San Antonio

"Saint Hedwig"

Photo 2

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXSHRS0

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(210) 667

Notes:
Has an old 70s vintage Bell logo, but no new "at&t" logo.

 

San Antonio

"Southton"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXSORS2

Switch Type:
Genband/Nortel RLM

Prefixes Served:
(210) 633, 635

Notes:
 

 

San Antonio

"Taylor"

Photo 2

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXTADS1

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(210) 283, 586, 720, 804-5, 820-2, 824, 826, 828-9, 832, 841, 882, 930

Notes:
 

 

San Antonio

"Thelma"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXTHRS0

Switch Type:
Genband/Nortel RLM

Prefixes Served:
(210) 621, 626

Notes:
 

 

San Antonio

"Wetmore"

Listing Updated:
February 2007

Operating Company:
at&t/SBC/Southwestern Bell

CLLI:
SNANTXWEDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(210) 402-4, 471, 481-3, 489-91, 494-499, 545

Notes:
 

 

 


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Page last modified July 28, 2014
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