Area code 307 was first put in service January 01, 1947. Area code 307 is in USA (Wyoming). 1-800-database has 555 records on file with a phone number in the area code of (307) and 27 comments.

The carriers providing phone numbers in 307 area code are: Advanced Communications Technology, All West Communications - Wyoming, All West Wireless, All West - Wy, AT&T Local, Bandwidth.com Clec, Big River Telephone Company, Bresnan Broadband Of Wyoming, Cellco Partnership DBA Verizon Wireless, Centurytel Of Wyoming DBA Centurylink, Chugwater Telephone Co., Columbine Telco DBA Silver Star Communications, Dubois Telephone Exchange, Golden West Tel Coop Inc DBA Golden West Telecomm, Gold Star Communications, Level 3 Communications, Mcimetro Access Transmission Services LLC, Mtpcs, New Cingular Wireless PCS, Onvoy, Project Telephone Co., Qwest Corporation, Range Telephone Cooperative, Rt Communications, Silver Star Telephone Co., Sprint Spectrum L.p., Tct West, Teleport Communications America - Wy - LLC, T-mobile Usa, Tri - County Telephone Association, Tri Tel, Uintah Basin Electronic Telecommunications, Union Telephone Co., Union Telephone Company, United Tel Co West - Wy DBA Centurylink West, Versatel Communications, Ymax Communications Corp., Zayo Group LLC.

Counties located in area code 307 are: ALBANY, BEAR LAKE, BIG HORN, BUTTE, CAMPBELL, CARBON, CARTER, CONVERSE, CROOK, CUSTER, FREMONT, GOSHEN, HOT SPRINGS, JOHNSON, LARAMIE, LAWRENCE, LINCOLN, NATRONA, NIOBRARA, PARK, PLATTE, SCOTTS BLUFF, SHERIDAN, SUBLETTE, SWEETWATER, TETON, UINTA, WASHAKIE, WESTON.



State: Wyoming

Largest city: Cheyenne

In service since: 01/01/1947

Timezone: Mountain


Major Cities in 307
Cheyenne, WY (59,466)
Casper, WY (55,316)
Laramie, WY (30,816)
Gillette, WY (29,087)
Zip Codes in 307
5771757735
5778359025
5908959311
6935282001
8205082053
8205482070
8208282190
8220182210
8221382214
8222182223
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