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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 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
BNISWA01DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 780, 842, 855Notes:
Source: GSV
Des Moines
"Taylor"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
DESMWA01DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 592, 824, 870, 878Notes:
The building has been recently painted white. Source: GSV
Richmond Beach
Listing Updated:
July 2020Operating Company:
Ziply Fiber/Frontier/Verizon/GTECLLI:
RCBHWAXXDS1Switch Type:
Automatic Electric GTD5-EAXPrefixes Served:
(206) 533, 542, 546Notes:
Source: GSV
Seattle
"Main"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWA06DS0
STTLWA06DS4
STTLWA06DS6Switch Type:
DS0: Ribbon/Genband/Nortel DMS-100
DS4: Nokia/Alcatel/Lucent 5ESS
DS6: Ribbon/Genband/Nortel DMS-100Prefixes 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, 995Notes:
Source: GSV
Seattle
"Atwater"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWA05DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(206) 213, 216-8, 270, 272-3, 281-6, 298, 301, 352, 378, 509, 599, 691Notes:
Source: GSV
Seattle
"Campus"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWACADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 545, 547-8, 598, 632-4, 675, 685, 732, 925Notes:
Source: GSV
Seattle
"Cherry"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWACHDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 214, 241-4, 246, 248, 277, 359, 431, 433, 439, 444, 787, 835, 901, 988Notes:
Source: GSV
Seattle
"Duwamish"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWADUDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 544, 658, 716, 762-4, 766-8Notes:
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 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWA03DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 302, 320, 322-5, 328-9, 568, 709, 720, 726, 860-1Notes:
Source: GSV
Seattle
"Elliot"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWAELDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 239, 256, 265, 269, 374, 404, 441, 443, 448, 615, 727-8, 733, 770, 956, 965Notes:
Source: GSV
Seattle
"Emerson"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWA04DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 306, 361-8, 417-8, 440Notes:
Source: GSV
Seattle
"Lakeview"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWALADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 517, 522-9, 729, 884, 985, 987Notes:
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 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
MRISWA01DS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 230, 232, 236, 275Notes:
Source: GSV
Seattle
"Parkway"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWAPADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 721-3, 725, 760Notes:
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 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWASUDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 297, 706, 781-4, 788-9Notes:
Source: GSV
Seattle
"West"
Listing Updated:
July 2020Operating Company:
CenturyLink/Qwest/US West/Pacific Northwest BellCLLI:
STTLWAWEDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(206) 913, 923, 932-3, 935, 937-8Notes:
Source: GSV
Vashon
"XA"
Listing Updated:
July 2020Operating Company:
CenturyLink/CenturyTelCLLI:
VSHNWAXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(206) 463Notes:
Source: GSV
Vashon
"XB"
Listing Updated:
July 2020Operating Company:
CenturyLink/CenturyTelCLLI:
VSHNWAXBRS1Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(206) 567Notes:
Source: GSV
Visit other Washington Area Codes: 206 253 360 425 509
Visit nearby regions: British Columbia Idaho Oregon
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Copyright 2020 Telephone Central Office Building
Pictures |