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Area Code 206
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 206 (Seattle, Washington metro).

Click on the pictures below for a larger version.


 

Bainbridge Island
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
BNISWA01DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 780, 842, 855

Notes:
Source: GSV

 

 

Des Moines

"Taylor"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
DESMWA01DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 592, 824, 870, 878

Notes:
The building has been recently painted white. Source: GSV

 

 

Richmond Beach
 

Listing Updated:
July 2020

Operating Company:
Ziply Fiber/Frontier/Verizon/GTE

CLLI:
RCBHWAXXDS1

Switch Type:
Automatic Electric GTD5-EAX

Prefixes Served:
(206) 533, 542, 546

Notes:
Source: GSV

 

 

Seattle

"Main"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWA06DS0
STTLWA06DS4
STTLWA06DS6

Switch Type:
DS0: Ribbon/Genband/Nortel DMS-100
DS4: Nokia/Alcatel/Lucent 5ESS
DS6: Ribbon/Genband/Nortel DMS-100

Prefixes Served:
DS0: (206) 358, 377, 421, 461, 490, 554, 585

DS4: (206) 221, 223-4, 254, 262, 287, 318, 326, 332, 340-2, 344, 381-2, 389, 405, 410, 416, 442, 447, 449, 464, 467, 469-70, 500, 504, 506, 515-6, 520-1, 583, 587, 613, 621, 623-6, 652, 654, 667, 682, 692, 731, 748-9, 757, 797, 839, 897, 903, 906, 969, 993, 997-8

DS6: (206) 205, 215, 220, 233, 263, 292, 296, 303, 343, 345-6, 370, 373, 386, 398, 477, 553, 622, 628, 684, 689, 808, 982, 991, 995

Notes:
Source: GSV

 

 

Seattle

"Atwater"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWA05DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(206) 213, 216-8, 270, 272-3, 281-6, 298, 301, 352, 378, 509, 599, 691

Notes:
Source: GSV

 

 

Seattle

"Campus"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWACADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 545, 547-8, 598, 632-4, 675, 685, 732, 925

Notes:
Source: GSV

 

 

Seattle

"Cherry"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWACHDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 214, 241-4, 246, 248, 277, 359, 431, 433, 439, 444, 787, 835, 901, 988

Notes:
Source: GSV

 

Seattle

"Duwamish"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWADUDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 544, 658, 716, 762-4, 766-8

Notes:
This central office building is also home to the Connections Museum, Seattle on the 2nd and 3rd stories of this building. Source: GSV

 

 

Seattle

"East"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWA03DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 302, 320, 322-5, 328-9, 568, 709, 720, 726, 860-1

Notes:
Source: GSV

 

 

Seattle

"Elliot"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWAELDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 239, 256, 265, 269, 374, 404, 441, 443, 448, 615, 727-8, 733, 770, 956, 965

Notes:
Source: GSV

 

 

Seattle

"Emerson"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWA04DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 306, 361-8, 417-8, 440

Notes:
Source: GSV

 

 

Seattle

"Lakeview"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWALADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 517, 522-9, 729, 884, 985, 987

Notes:
This central office originally housed a #1 Crossbar switch that is now displayed (and operational) at the Connections Museum, Seattle. Source: GSV

 

 

Seattle

"Mercer Island"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
MRISWA01DS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 230, 232, 236, 275

Notes:
Source: GSV

 

 

Seattle

"Parkway"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWAPADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 721-3, 725, 760

Notes:
Also known as the Rainier central office, this at one time housed a Panel switch that is now displayed (and operational) at the Connections Museum, Seattle. Source: GSV

 

 

Seattle

"Sunset"
 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWASUDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 297, 706, 781-4, 788-9

Notes:
Source: GSV

 

 

Seattle

"West"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest Bell

CLLI:
STTLWAWEDS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(206) 913, 923, 932-3, 935, 937-8

Notes:
Source: GSV

 

 

Vashon

"XA"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/CenturyTel

CLLI:
VSHNWAXARS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(206) 463

Notes:
Source: GSV

 

 

Vashon

"XB"


 

Listing Updated:
July 2020

Operating Company:
CenturyLink/CenturyTel

CLLI:
VSHNWAXBRS1

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(206) 567

Notes:
Source: GSV

 

Visit other Washington Area Codes: 206 253 360 425 509

Visit nearby regions: British Columbia Idaho Oregon


Copyright 2020 Telephone Central Office Building Pictures
Page last modified July 5, 2020
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