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Area Code 209
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 209 (with overlay Area Code 350) (Northern Central California).

Click on the pictures below for a larger version.


Angels Camp

"Main"
 

Listing Updated:
January 2024

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

CLLI:
ANCMCA01RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 736

Notes:
Source: GSV

 

Atwater
 

Listing Updated:
July 2023

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

CLLI:
ATWRCA12DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 356-8

Notes:
Source: GSV

 

Farmington
 

Listing Updated:
June 2014

Operating Company:
Frontier/Verizon/GTE

CLLI:
FRTNCAXFRS8

Switch Type:
Ribbon/Genband//Nortel RLC

Prefixes Served:
(209) 886

Notes:
Source: GSV

 

Groveland

Photo 2
 

Listing Updated:
July 2014

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

CLLI:
GVLDCA11RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 962

Notes:
Source: Craig L.

 

Hornitos
 

Listing Updated:
March 2021

Operating Company:
TDS/Hornitos Telephone Co.

CLLI:
HRNTCAXGPS0

Switch Type:
Packet End Office (unknown type)

Prefixes Served:
(209) 376, 378

Notes:
Source: GSV

 

Jackson
 

Listing Updated:
June 2023

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

CLLI:
JCSNCA01DS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 223, 357

Notes:
Source: GSV

 

Jenny Lind
 

Listing Updated:
November 2019

Operating Company:
Calaveras Telephone

CLLI:
JNLNCAXFRS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(209) 786

Notes:
Source: GSV

 

Livingston
 

Listing Updated:
July 2023

Operating Company:
Frontier/Global Valley Networks

CLLI:
LVTNCAXFDS0

Switch Type:
Ribbon/Genband/Nortel DMS-10 Host

Prefixes Served:
(209) 394, 398

Notes:
Source: GSV

 

Lodi
 

Listing Updated:
March 2022

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

CLLI:
LODICA01DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 333-4, 339, 365-9

Notes:
Source: GSV

 

Manteca

"Main"
 

Listing Updated:
November 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
MNTCCAXG82A

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(209) 239, 825

Notes:
Source: GSV

 

Manteca

"Lathrop"
 

Listing Updated:
August 2023

Operating Company:
Frontier/Verizon/GTE

CLLI:
LTHPCAXFRS3

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(209) 858

Notes:
Source: GSV

 

Merced
 

Listing Updated:
November 2022

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

CLLI:
MRCDCA01DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 228, 325, 354, 359, 381, 383-6, 399, 722-6

Notes:
Source: GSV

 

Modesto

"Main"
 

Listing Updated:
May 2022

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

CLLI:
MDSTCA02DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 236, 238, 341-2, 491-2, 521-7, 529-30, 544, 548-50, 557, 567, 569, 571-9

Notes:
Source: GSV

 

Modesto

"Harp"
 

Listing Updated:
March 2021

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

CLLI:
MDSTCA52RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 558

Notes:
Source: GSV

 

Modesto

"Kellog"
 

Listing Updated:
December 2022

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

CLLI:
MDSTCA03DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 531, 537-8, 541, 556, 581

Notes:
Source: GSV

 

Modesto

"Kingswood"
 

Listing Updated:
December 2023

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

CLLI:
MDSTCA04RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 543, 545, 735

Notes:
Source: GSV

 

Modesto

"Tally"
 

Listing Updated:
June 2023

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

CLLI:
MDSTCA05DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 551-2

Notes:
Source: GSV

 

Oakdale
 

Listing Updated:
March 2022

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

CLLI:
OKDLCA11DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 845, 847-8

Notes:
Source: GSV

 

Patterson
 

Listing Updated:
November 2022

Operating Company:
Frontier/Global Valley Networks

CLLI:
PASNCAXFDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(209) 892, 894-5

Notes:
Source: GSV

 

San Andreas
 

Listing Updated:
June 2023

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

CLLI:
SNADCA11DS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 754

Notes:
Source: GSV

 

Sonora: Main DA
 

Listing Updated:
August 2023

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

CLLI:
SNRACA13DS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 532-3, 536, 588, 694, 899, 989

Notes:
Also serves Milton and Moccasin. Source: GSV

 

Stockton

"Main"
 

Listing Updated:
January 2023

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

CLLI:
SKTNCA01DS0

Switch Type:
Ribbon/Genband//Nortel DMS-100

Prefixes Served:
(209) 460-9, 546-7, 808, 817, 932-3, 937-9, 941-4, 946, 948, 953

Notes:
Source: GSV

 

Stockton

"French Camp"
 

Listing Updated:
July 2023

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

CLLI:
SKTNCA14DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(209) 234, 982-3

Notes:
Source: GSV

 

Stockton

"Granite"
 

Listing Updated:
February 2022

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

CLLI:
SKTNCA11DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(209) 472-8, 951-2, 954-7

Notes:
Source: GSV

 

Stockton

"Waterloo"
 

Listing Updated:
January 2022

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

CLLI:
SKTNCA12RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 931

Notes:
Source: GSV

 

Tracy
 

Listing Updated:
February 2022

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

CLLI:
TRACCA11DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 830, 832-6, 839

Notes:
Source: GSV

 

Turlock

Photo 2 | Photo 3 | Photo 4
 

Listing Updated:
May 2022

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

CLLI:
TRLCCA11DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 632, 634, 656, 664, 667-9

Notes:
Source: (anonymous donation)

 

Valley Springs
 

Listing Updated:
July 2023

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

CLLI:
VYSPCA11RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(209) 772

Notes:
Source: GSV

 

Volcano
 

Listing Updated:
June 2023

Operating Company:
Volcano Communications

CLLI:
VOLCCAXFDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100/200

Prefixes Served:
(209) 296

Notes:
Source: GSV

 

Waterford: Main DA
 

Listing Updated:
June 2023

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

CLLI:
WTFRCA11RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 874

Notes:
Source: GSV

 

Yosemite

"11"
 

Listing Updated:
July 2014

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

CLLI:
YSMTCA11RS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(209) 372

Notes:
Source: Craig L.

 

Visit other California Area Codes: 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 951

Visit nearby regions: Arizona Nevada Oregon


Copyright 2024 Telephone Central Office Building Pictures
Page last modified August 22, 2024
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