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Area Code 307 Information and Location Details

Area code 307 serves the state of Wyoming. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 307 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.

Area Code 307 Has 365 Exchanges

Exchange City
307-200 Jackson
307-201 Jackson
307-202 Powell
307-203 Jackson
307-205 Lingle
307-206 Lander
307-209 Rock Springs
307-212 Rock Springs
307-213 Cody
307-214 Cheyenne
307-215 Casper
307-216 Lusk
307-217 Buffalo
307-219 Powell
307-220 Cheyenne
307-221 Cheyenne
307-222 Cheyenne
307-223 Laramie
307-224 Casper
307-226 Afton
307-228 Gillette
307-229 Cokeville
307-230 Casper
307-231 Pinedale
307-232 Casper
307-233 Casper
307-234 Casper
307-235 Casper
307-237 Casper
307-239 Dubois
307-240 Riverton
307-241 Wheatland
307-245 Pine Bluffs
307-246 Albin
307-247 Casper
307-248 Afton
307-249 Jackson
307-250 Cody
307-251 Casper
307-252 Rock Springs
307-253 Casper
307-254 Powell
307-255 Evanston
307-256 Cheyenne
307-257 Gillette
307-258 Casper
307-259 Casper
307-260 Big Piney
307-261 Casper
307-262 Casper
307-264 Jackson
307-265 Casper
307-266 Casper
307-267 Casper
307-268 Casper
307-269 Wheatland
307-270 Cokeville
307-271 Powell
307-272 Cody
307-273 Farson
307-274 Cheyenne
307-275 Cheyenne
307-276 Big Piney
307-277 Casper
307-278 Buffalo
307-279 Cokeville
307-280 Farson
307-281 Sundance
307-282 Sundance
307-283 Sundance
307-286 Cheyenne
307-287 Cheyenne
307-288 Evanston
307-290 Sundance
307-296 Cody
307-297 Green River
307-298 Douglas
307-299 Gillette
307-309 Glenrock
307-313 Evanston
307-314 Laramie
307-315 Casper
307-316 Cheyenne
307-317 Cheyenne
307-320 Rawlins
307-321 Rawlins
307-322 Wheatland
307-324 Rawlins
307-325 Hanna
307-326 Saratoga
307-327 Encampment
307-328 Rawlins
307-329 Saratoga
307-330 Lander
307-331 Wheatland
307-332 Lander
307-333 Casper
307-334 Lusk
307-335 Lander
307-337 Casper
307-338 Torrington
307-339 Hanna
307-340 Lusk
307-343 Laramie
307-345 Lander
307-347 Worland
307-348 Hanna
307-349 Lander
307-350 Rock Springs
307-351 Douglas
307-352 Rock Springs
307-353 Alta
307-354 Rock Springs
307-358 Douglas
307-359 Douglas
307-360 Pinedale
307-362 Rock Springs
307-363 Gillette
307-364 Green River
307-365 Cheyenne
307-366 Ten Sleep
307-367 Pinedale
307-369 Cheyenne
307-370 Rawlins
307-371 Rock Springs
307-373 Greybull
307-375 Worland
307-377 Casper
307-378 Rock River
307-379 Medicine Bow
307-380 Baggs
307-382 Rock Springs
307-383 Baggs
307-386 La Barge
307-388 Worland
307-389 Rock Springs
307-390 La Barge
307-391 Moorcroft
307-399 Laramie
307-401 Torrington
307-413 Jackson
307-414 Cheyenne
307-417 Rawlins
307-421 Cheyenne
307-422 Chugwater
307-425 Buffalo
307-426 Cheyenne
307-429 Sheridan
307-431 Worland
307-432 Cheyenne
307-433 Cheyenne
307-436 Glenrock
307-437 Midwest
307-438 Lander
307-439 Casper
307-440 Basin
307-441 Casper
307-444 Evanston
307-447 Saratoga
307-448 Rock Springs
307-450 Dubois
307-455 Dubois
307-459 Cheyenne
307-460 Laramie
307-461 Sheridan
307-462 Casper
307-463 Riverton
307-464 Wright
307-465 Newcastle
307-466 Green River
307-467 Hulett
307-468 Upton
307-469 Hyattville
307-472 Casper
307-473 Casper
307-475 Cheyenne
307-477 Cheyenne
307-480 Thermopolis
307-481 Lusk
307-486 Crowheart
307-497 Evanston
307-509 Cheyenne
307-514 Cheyenne
307-520 Medicine Bow
307-522 Rock Springs
307-527 Cody
307-529 Cheyenne
307-532 Torrington
307-533 Sheridan
307-534 Torrington
307-537 Pinedale
307-540 Jeffrey City
307-541 Moran
307-543 Moran
307-544 Jeffrey City
307-547 Burns
307-548 Lovell
307-554 Glenrock
307-555 Cheyenne
307-567 Gillette
307-568 Basin
307-575 Torrington
307-577 Casper
307-578 Cody
307-586 Cody
307-587 Cody
307-600 Cokeville
307-620 Buffalo
307-621 Buffalo
307-622 Gillette
307-624 Douglas
307-629 Newcastle
307-630 Cheyenne
307-631 Cheyenne
307-632 Cheyenne
307-633 Cheyenne
307-634 Cheyenne
307-635 Cheyenne
307-637 Cheyenne
307-638 Cheyenne
307-640 Cheyenne
307-649 Carpenter
307-650 Cheyenne
307-654 Alpine
307-655 Sheridan
307-656 Alpine
307-660 Gillette
307-664 Frannie
307-670 Gillette
307-672 Sheridan
307-673 Sheridan
307-674 Sheridan
307-675 Sheridan
307-677 Evanston
307-679 Evanston
307-680 Gillette
307-681 Gillette
307-682 Gillette
307-683 Sheridan
307-684 Buffalo
307-685 Gillette
307-686 Gillette
307-687 Gillette
307-688 Gillette
307-689 Gillette
307-690 Jackson
307-696 Gillette
307-699 Jackson
307-701 Cheyenne
307-702 Casper
307-703 Laramie
307-704 Gillette
307-705 Rock Springs
307-706 Sheridan
307-707 Green River
307-708 Evanston
307-709 Riverton
307-710 Rawlins
307-712 Cody
307-713 Jackson
307-714 Lander
307-715 Torrington
307-716 Powell
307-717 Douglas
307-718 Worland
307-719 Buffalo
307-720 Wheatland
307-721 Laramie
307-722 Thermopolis
307-723 Kemmerer
307-724 Casper
307-727 Kemmerer
307-728 Shoshoni
307-730 Jackson
307-731 Lovell
307-732 Jackson
307-733 Jackson
307-734 Jackson
307-735 Glendo
307-736 Arvada
307-738 Kaycee
307-739 Jackson
307-740 Jackson
307-741 Glenrock
307-742 Laramie
307-744 Newcastle
307-745 Laramie
307-746 Newcastle
307-747 Mountain View
307-749 Pinedale
307-751 Sheridan
307-752 Sheridan
307-754 Powell
307-755 Laramie
307-756 Moorcroft
307-757 Cheyenne
307-758 Clearmont
307-759 Lusk
307-760 Laramie
307-761 Laramie
307-762 Burlington
307-763 Sheridan
307-764 Powell
307-765 Greybull
307-766 Laramie
307-771 Cheyenne
307-772 Cheyenne
307-773 Cheyenne
307-774 Jackson
307-775 Cheyenne
307-777 Cheyenne
307-778 Cheyenne
307-779 Wheatland
307-780 Mountain View
307-782 Mountain View
307-783 Evanston
307-787 Lyman
307-789 Evanston
307-790 Sundance
307-797 Casper
307-798 Rock River
307-799 Evanston
307-800 Kemmerer
307-823 Cheyenne
307-828 Kemmerer
307-829 Cheyenne
307-834 Lagrange
307-836 Guernsey
307-837 Lingle
307-840 Riverton
307-850 Riverton
307-851 Riverton
307-854 Riverton
307-855 Riverton
307-856 Riverton
307-857 Riverton
307-858 Riverton
307-859 Daniel
307-864 Thermopolis
307-868 Meeteetse
307-870 Green River
307-871 Green River
307-872 Green River
307-875 Green River
307-876 Shoshoni
307-877 Kemmerer
307-880 Freedom
307-881 Wheatland
307-883 Freedom
307-884 Afton
307-885 Afton
307-886 Afton
307-887 Afton
307-890 Freedom
307-899 Cody
307-920 Cheyenne
307-921 Thermopolis
307-922 Rock Springs
307-939 Wright
307-941 Newcastle
307-949 Newcastle
307-977 Laramie
307-995 Casper
307-996 Cheyenne
307-999 Moran