4 Telephone Central Office Building Pictures - Area Code 307 (Wyoming)
 

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Area Code 307
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Code 307 (Wyoming).

Click on the pictures below for a larger version.


Afton

"Main"
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
AFTNWYMARS1

Switch Type:
Ribbon/Genband/Nortel Remote Switching Center

Prefixes Served:
(307) 225, 886

Notes:
Source: GSV

 

Buffalo
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
BFLOWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 684

Notes:
Source: GSV

 

Casper
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
CSPRWYMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(307) 232-5, 237, 253, 261, 265-6, 268, 472-3, 577, 995

Notes:
Source: GSV

 

Cheyenne
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
CHYNWYMADS0

Switch Type:
Nokia/Alcatel/Lucent 5ESS

Prefixes Served:
(307) 432-3, 632-5, 637-8, 771-3, 775, 777-8, 996
(970) 662

Notes:
Also serves South Cheyenne, CO. Source: GSV

 

Cody
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
CODYWYMADS0

Switch Type:
Ericsson AXE 10

Prefixes Served:
(307) 527, 578, 587

Notes:
Source: GSV

 

Douglas
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
DGLSWYMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 358

Notes:
Source: GSV

 

Evanston
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
EVTNWYMADS0

Switch Type:
Ericsson AXE 10

Prefixes Served:
(307) 783, 789

Notes:
Source: GSV

 

Gillette
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
GLTTWYMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 682, 685-8

Notes:
Source: GSV

 

Green River
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
GNRVWYMADS0

Switch Type:
Ericsson AXE 10

Prefixes Served:
(307) 872, 875

Notes:
Source: GSV

 

Guernsey
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
GRNSWYXCRP0

Switch Type:
Remote Packet (unknown type)

Prefixes Served:
(307) 836

Notes:
Source: GSV

 

Jackson
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
JCSNWYMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 732-4, 739

Notes:
Source: GSV

 

Kemmerer
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
KMMRWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 828, 877

Notes:
Source: GSV

 

Lander
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
LNDRWYMARS1

Switch Type:
Ribbon/Genband/Nortel Remote Switching Center

Prefixes Served:
(307) 332, 335

Notes:
Source: GSV

 

Laramie
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
LARMWYNMDS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 721, 742, 745, 755, 766
(970) 435

Notes:
Also serves South Laramie, CO. Source: GSV

 

Lingle

Photo 2
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Embarq/Sprint/United Telephone

CLLI:
LNGLWYXCRP0

Switch Type:
Remote Packet (unknown type)

Prefixes Served:
(307) 837

Notes:
Source: GSV

 

Lusk
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
LUSKWYMARS1

Switch Type:
Ribbon/Genband/Nortel Remote Switching Center

Prefixes Served:
(307) 334

Notes:
Source: GSV

 

Old Faithful
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
OLFTWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 545

Notes:
Notice the rather large microwave dish. Source: GSV

 

Powell
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
POWLWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 754
(406) 574

Notes:
Also serves Silvertip, MT. Source: GSV

 

Rawlins
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
RWLNWYMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 323, 328

Notes:
Source: GSV

 

Riverton
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
RVTNWYMADS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(307) 855-7

Notes:
Source: GSV

 

Rock Springs
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
RCSPWYMADS1

Switch Type:
Ericsson AXE 10

Prefixes Served:
(307) 352, 362, 382

Notes:
Source: GSV

 

Sheridan

"Main"
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
SHRDWYMADS0

Switch Type:
Ericsson AXE 10

Prefixes Served:
(307) 672-4

Notes:
Source: GSV

 

Sheridan

"Dayton Ranchester"
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
DNRHWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 655
(406) 659

Notes:
Also serves North Parkman, MT. Source: GSV

 

Sheridan

"Story"
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
STRYWYMARS1

Switch Type:
Ericsson AXE 10 Remote

Prefixes Served:
(307) 683

Notes:
Source: GSV

 

Torrington
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Embarq/Sprint/United Telephone

CLLI:
TRTNWYXCRP0

Switch Type:
Remote Packet (unknown type)

Prefixes Served:
(307) 532, 534

Notes:
Source: GSV

 

Wheatland
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
WHLDWYMARS1

Switch Type:
Nokia/Alcatel/Lucent 5ESS Remote

Prefixes Served:
(307) 322

Notes:
Source: GSV

 

Wright

"Wright City"
 

Listing Updated:
May 2020

Operating Company:
CenturyLink/Qwest/US West/Mountain Bell

CLLI:
WRGHWYMARS1

Switch Type:
Ribbon/Genband/Nortel Remote Switching Center

Prefixes Served:
(307) 464, 939

Notes:
Source: GSV

 

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Page last modified May 13, 2020
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