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720 area code

Area code 720 is in Colorado (CO), USA and some of the main locations covered are Denver, Thornton, Arvada, .. (jump to city list below).

Area code 720 has been in service since June 01, 1998 and is an overlay code part of overlay complex 303/720/983 (overlaying area codes cover the same geographic area).

02:34:43 AM is the current time in area code 720 (Mountain Time).

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More Colorado area codes

NPANXX1 Area served2 Date3
720-200 Denver
720-201 Denver
720-202 Denver 10/7/2009
720-203 Denver 1/29/2001
720-204 Longmont
720-205 Denver
720-206 Denver
720-207 Denver
720-208 Denver
720-209 Denver
720-210 Denver
720-212 Denver
720-213 Denver
720-214 Denver
720-215 Denver 10/12/2009
720-216 Denver 1/29/2001
720-217 Denver
720-218 Denver
720-219 Denver
720-220 Denver
720-221 Denver
720-222 Denver
720-223 Denver
720-224 Denver
720-225 Denver
720-226 Denver
720-227 Denver
720-228 Denver
720-229 Denver
720-230 Denver
720-231 Denver
720-232 Denver
720-233 Denver
720-234 Denver
720-235 Denver
720-236 Denver
720-237 Denver 9/28/2009
720-238 Denver
720-239 Denver
720-240 Denver
720-241 Denver
720-242 Denver 10/9/2008
720-243 Denver 6/30/2009
720-244 Denver
720-245 Denver 11/21/2011
720-246 Denver
720-247 Denver 5/20/2004
720-248 Denver
720-249 Denver
720-250 Denver
720-251 Denver
720-252 Denver
720-253 Denver
720-254 Denver
720-255 Denver
720-256 Denver
720-257 Denver
720-258 Denver
720-259 Denver
720-260 Denver
720-261 Denver
720-262 Denver
720-263 Denver
720-264 Denver
720-265 Denver 5/3/2004
720-266 Denver
720-267 Denver
720-268 Denver
720-269 Denver
720-270 Denver
720-271 Denver
720-272 Denver 1/18/2001
720-273 Denver 1/18/2001
720-274 Denver
720-275 Denver 2/22/2001
720-276 Denver 2/22/2001
720-277 Denver
720-278 Denver 1/25/2001
720-279 Denver 1/25/2001
720-280 Denver
720-281 Denver
720-282 Denver 1/25/2001
720-283 Denver
720-284 Denver
720-285 Denver 1/30/2009
720-286 Denver 4/30/2002
720-287 Denver 4/30/2010
720-288 Denver 2/26/2010
720-289 Denver 7/25/2001
720-290 Denver
720-291 Denver
720-292 Denver 3/4/2009
720-293 Denver
720-294 Denver
720-295 Denver 3/1/2010
720-296 Denver 1/12/2001
720-297 Denver 1/12/2001
720-298 Denver 1/12/2001
720-299 Denver
720-300 Denver
720-301 Denver
720-302 Denver
720-304 Denver
720-305 Denver 1/29/2001
720-306 Denver 1/29/2001
720-307 Allenspark/Lyons 8/2/2012
720-308 Denver 8/14/2001
720-309 Denver 12/5/2001
720-310 Allenspark/Lyons
720-312 Denver 2/20/2001
720-313 Denver 2/20/2001
720-314 Denver 2/20/2001
720-315 Denver 10/14/2009
720-316 Denver 5/24/2010
720-317 Denver
720-318 Denver
720-319 Denver 4/19/2001
720-320 Denver
720-321 Denver 5/29/2008
720-322 Denver
720-323 Denver
720-324 Denver
720-325 Denver 8/6/2010
720-326 Denver 6/13/2011
720-327 Denver 10/18/2001
720-328 Denver 10/20/2009
720-329 Denver 10/18/2001
720-330 Denver
720-331 Denver
720-332 Denver
720-333 Denver 5/14/2001
720-334 Denver 5/14/2001
720-335 Denver 5/14/2001
720-336 Keenesburg 7/19/2010
720-337 Denver 2/18/2009
720-338 Denver 11/19/2001
720-339 Denver
720-340 Longmont 9/4/2009
720-341 Denver
720-342 Denver 4/15/2009
720-343 Denver 10/31/2003
720-344 Denver
720-345 Denver 12/28/2007
720-346 Denver
720-347 Denver 9/28/2009
720-348 Denver
720-349 Denver 3/28/2011
720-350 Denver
720-351 Denver
720-352 Denver
720-353 Denver
720-354 Denver 6/30/2011
720-355 Denver 8/16/2012
720-356 Denver
720-357 Denver 7/5/2012
720-358 Hudson 9/9/2009
720-359 Denver
720-360 Denver 1/28/2013
720-361 Denver 7/3/2013
720-362 Denver 6/6/2007
720-363 Denver
720-364 Denver 1/15/2002
720-365 Denver 1/15/2002
720-366 Denver 1/15/2002
720-367 Denver
720-368 Denver 4/30/2004
720-369 Denver 3/14/2011
720-370 Denver 1/4/2013
720-371 Denver
720-372 Denver 9/9/2013
720-373 Denver
720-374 Denver
720-375 Denver 7/10/2007
720-376 Denver 11/12/2012
720-377 Denver
720-378 Longmont 1/19/2010
720-379 Denver
720-380 Denver 2/1/2013
720-381 Denver 8/3/2005
720-382 Denver
720-383 Fort Lupton 11/13/2008
720-384 Denver
720-385 Denver
720-386 Georgetown 12/3/2012
720-387 Denver 9/4/2012
720-388 Denver 1/11/2010
720-389 Denver 11/17/2008
720-390 Denver 7/18/2013
720-391 Denver 7/12/2013
720-392 Deer Trail 1/30/2009
720-393 Denver 6/7/2010
720-394 Denver
720-395 Denver 9/4/2009
720-396 Denver 9/8/2009
720-397 Denver 9/8/2009
720-398 Denver 6/28/2010
720-399 Denver 5/6/2011
720-400 Denver 10/28/2010
720-401 Denver 1/13/2009
720-402 Denver 5/10/2011
720-403 Denver 7/25/2013
720-404 Denver 10/18/2001
720-405 Denver 8/30/2013
720-406 Denver
720-407 Denver
720-408 Denver 11/15/2012
720-409 Denver 11/22/2011
720-410 Denver 6/27/2014
720-412 Denver 6/28/2010
720-413 Denver 8/27/2008
720-414 Allenspark/Lyons 10/4/2011
720-415 Denver 6/12/2013
720-416 Denver 6/30/2014
720-417 Denver 8/18/2014
720-418 Denver 3/12/2014
720-419 Denver 3/16/2016
720-420 Denver 5/26/2010
720-421 Denver 3/20/2009
720-422 Denver 9/26/2001
720-423 Denver 4/22/2004
720-424 Denver 4/22/2004
720-425 Denver 1/15/2008
720-426 Denver 4/20/2010
720-427 Denver 2/4/2002
720-428 Denver 12/12/2011
720-429 Denver 7/2/2008
720-430 Denver 6/28/2012
720-431 Denver 9/22/2010
720-432 Denver 2/26/2010
720-433 Denver
720-434 Denver
720-435 Denver
720-436 Denver
720-437 Denver 2/8/2011
720-438 Longmont 9/26/2006
720-439 Denver 4/21/2010
720-440 Denver 5/12/2010
720-441 Denver 5/18/2011
720-442 Longmont 4/4/2011
720-443 Denver 10/7/2010
720-444 Denver
720-445 Denver 9/15/2010
720-446 Denver 2/23/2011
720-447 Denver 2/22/2008
720-448 Denver 4/9/2008
720-449 Denver
720-450 Denver 1/8/2014
720-451 Denver 10/25/2013
720-452 Denver 12/28/2010
720-453 Longmont
720-454 Denver 8/11/2010
720-455 Denver 7/2/2010
720-456 Denver 7/23/2013
720-457 Denver
720-458 Denver 9/27/2010
720-459 Denver 10/15/2010
720-460 Denver 11/13/2013
720-461 Denver 12/22/2015
720-462 Denver 11/23/2016
720-463 Deckers 2/5/2013
720-464 Denver 4/21/2011
720-465 Denver 1/3/2012
720-466 Fort Lupton 6/28/2010
720-467 Denver 1/10/2014
720-468 Denver 12/17/2001
720-469 Denver 9/23/2011
720-470 Denver
720-471 Denver 6/12/2014
720-472 Denver
720-473 Denver
720-474 Denver 10/31/2011
720-475 Denver
720-476 Denver 5/19/2014
720-477 Denver 8/9/2011
720-478 Denver 5/8/2013
720-479 Denver
720-480 Denver
720-481 Denver 8/15/2014
720-482 Denver
720-483 Denver 8/4/2014
720-484 Denver 7/18/2011
720-485 Denver 5/8/2014
720-486 Denver 8/18/2014
720-487 Longmont 12/9/2016
720-488 Denver
720-489 Denver
720-490 Denver
720-491 Longmont 11/16/2011
720-492 Denver 8/25/2014
720-493 Denver
720-494 Longmont
720-495 Denver 9/28/2001
720-496 Denver 12/17/2001
720-497 Denver
720-498 Denver 9/10/2012
720-499 Denver 8/9/2011
720-500 Denver 10/7/2014
720-501 Denver 8/28/2014
720-502 Denver 11/15/2012
720-503 Denver 10/2/2014
720-504 Denver 5/24/2013
720-505 Denver 1/11/2011
720-506 Denver 12/17/2001
720-507 Denver 10/30/2014
720-508 Denver 6/26/2012
720-509 Denver 4/2/2010
720-510 Denver 6/13/2017
720-512 Denver 5/9/2016
720-513 Denver 8/25/2017
720-514 Denver
720-515 Denver 2/11/2010
720-516 Denver 7/21/2017
720-517 Denver 6/30/2015
720-518 Denver 5/16/2014
720-519 Denver
720-520 Denver 5/13/2016
720-521 Denver
720-522 Denver 11/19/2010
720-523 Denver 5/24/2010
720-524 Denver
720-525 Denver 4/2/2013
720-526 Longmont 6/12/2014
720-527 Denver 10/27/2017
720-528 Denver
720-529 Denver
720-530 Denver
720-531 Denver 8/16/2016
720-532 Denver
720-533 Denver
720-534 Longmont 8/31/2016
720-535 Denver
720-536 Denver
720-537 Denver 10/22/2014
720-538 Fort Lupton 9/24/2012
720-539 Denver 7/8/2011
720-540 Denver
720-541 Denver 9/28/2012
720-542 Denver
720-543 Denver 10/14/2016
720-544 Denver
720-545 Denver 6/12/2009
720-546 Denver 8/23/2016
720-547 Keenesburg 3/30/2018
720-548 Denver
720-549 Denver
720-550 Denver 6/25/2013
720-551 Denver 4/1/2011
720-552 Longmont 11/16/2012
720-553 Denver 6/22/2012
720-554 Denver
720-556 Denver 5/10/2011
720-557 Denver 6/12/2013
720-558 Denver 3/13/2002
720-559 Denver
720-560 Denver
720-561 Denver 4/18/2008
720-562 Denver
720-563 Denver
720-564 Denver
720-565 Denver
720-566 Denver
720-567 Denver
720-568 Denver 2/27/2001
720-569 Denver 10/8/2008
720-570 Denver
720-571 Allenspark/Lyons 3/1/2016
720-572 Denver 12/14/2016
720-573 Denver 10/17/2014
720-574 Denver 6/29/2018
720-575 Denver 11/11/2014
720-576 Denver 11/9/2016
720-577 Denver 7/3/2014
720-578 Denver
720-579 Denver
720-580 Keenesburg 3/15/2013
720-581 Denver
720-582 Denver 11/12/2015
720-583 Denver 9/30/2010
720-584 Denver 10/21/2014
720-585 Denver 11/2/2012
720-586 Denver 5/25/2017
720-587 Denver
720-588 Denver 10/17/2012
720-589 Denver 4/30/2013
720-590 Denver 2/5/2013
720-591 Denver 9/15/2016
720-592 Denver 12/8/2016
720-593 Denver 4/2/2014
720-594 Denver 6/30/2017
720-595 Denver 5/10/2016
720-596 Denver
720-597 Longmont 1/11/2016
720-598 Denver 2/26/2015
720-599 Denver 2/13/2012
720-600 Longmont 12/20/2012
720-601 Denver 12/21/2017
720-602 Denver 7/31/2017
720-603 Denver 9/1/2017
720-604 Strasburg
720-605 Denver 11/17/2015
720-606 Fort Lupton 8/12/2011
720-607 Denver 3/16/2017
720-608 Georgetown 7/19/2010
720-609 Denver 6/3/2014
720-610 Denver 7/30/2018
720-612 Denver 7/22/2011
720-613 Hudson 3/1/2013
720-614 Denver 10/4/2018
720-615 Keenesburg 8/17/2020
720-616 Denver 8/29/2014
720-617 Denver 4/18/2019
720-618 Denver 7/10/2014
720-619 Georgetown 3/25/2014
720-620 Denver 3/27/2002
720-621 Denver 3/27/2002
720-622 Denver
720-623 Denver 2/17/2012
720-624 Denver
720-625 Denver 9/20/2011
720-626 Denver 1/11/2011
720-627 Denver 3/6/2012
720-628 Denver 3/4/2002
720-629 Denver 3/4/2002
720-630 Denver 10/23/2013
720-631 Denver 4/3/2017
720-632 Denver 1/11/2018
720-633 Denver 12/28/2010
720-634 Denver 11/16/2012
720-635 Denver
720-636 Denver 11/13/2013
720-637 Denver 10/21/2021
720-638 Denver 1/17/2013
720-639 Denver 5/14/2014
720-640 Hudson 1/28/2019
720-641 Denver
720-642 Denver 10/22/2015
720-643 Denver 8/24/2015
720-644 Denver 4/1/2011
720-645 Denver 3/5/2014
720-646 Denver 10/7/2015
720-647 Denver 5/20/2019
720-648 Denver 5/10/2011
720-649 Georgetown 8/30/2018
720-650 Denver 8/17/2017
720-651 Denver 10/15/2015
720-652 Longmont
720-653 Denver 6/3/2019
720-654 Denver 1/10/2022
720-655 Denver 8/30/2021
720-656 Denver 10/7/2015
720-657 Denver 2/25/2019
720-658 Denver 3/26/2010
720-659 Denver 7/15/2022
720-660 Denver 4/8/2014
720-661 Denver 12/24/2018
720-662 Denver 9/30/2014
720-663 Denver 5/28/2008
720-664 Allenspark/Lyons 8/16/2019
720-665 Denver 8/30/2017
720-666 Denver 5/23/2012
720-667 Denver 11/21/2017
720-668 Denver 10/16/2014
720-669 Hudson 12/12/2014
720-670 Denver
720-671 Denver 4/25/2019
720-672 Denver 9/30/2019
720-673 Denver 8/23/2019
720-674 Denver 2/20/2020
720-675 Denver 5/12/2009
720-676 Denver 8/29/2016
720-677 Denver 6/20/2019
720-678 Denver 10/9/2019
720-679 Georgetown 8/16/2019
720-680 Longmont 6/4/2020
720-681 Denver 4/9/2019
720-682 Denver 10/22/2018
720-683 Fort Lupton 5/15/2013
720-684 Longmont
720-685 Denver
720-686 Denver 10/14/2010
720-687 Denver 11/19/2019
720-688 Denver 7/15/2015
720-689 Denver 4/4/2011
720-690 Denver 3/27/2002
720-691 Denver 6/25/2019
720-692 Denver 5/27/2015
720-693 Denver 1/11/2017
720-694 Denver 3/24/2020
720-695 Denver 8/12/2014
720-696 Denver 6/1/2015
720-697 Denver 11/9/2015
720-698 Longmont 3/15/2022
720-699 Denver 11/11/2014
720-701 Denver 4/16/2019
720-702 Keenesburg 3/27/2020
720-703 Denver 6/19/2020
720-704 Denver 3/31/2020
720-705 Denver 10/2/2014
720-706 Denver 7/13/2020
720-707 Denver 11/21/2014
720-708 Denver 8/12/2011
720-709 Denver 8/21/2014
720-710 Denver 9/7/2016
720-712 Fort Lupton 6/20/2019
720-713 Longmont 8/16/2019
720-714 Longmont 8/24/2020
720-715 Deckers 2/8/2019
720-716 Denver 3/25/2020
720-717 Denver 3/3/2015
720-718 Longmont 12/19/2016
720-721 Denver
720-722 Denver 5/21/2010
720-723 Denver 2/4/2013
720-724 Denver 4/2/2013
720-725 Denver 6/10/2015
720-726 Denver 10/29/2013
720-727 Longmont 6/12/2018
720-728 Denver 12/16/2015
720-729 Keenesburg 3/2/2012
720-730 Denver 9/20/2018
720-731 Longmont 1/4/2019
720-732 Denver
720-733 Denver
720-734 Denver 5/11/2020
720-735 Keenesburg 10/28/2014
720-736 Denver 1/21/2021
720-737 Denver 12/13/2012
720-738 Denver 4/29/2019
720-739 Denver 4/29/2014
720-740 Deckers 8/29/2019
720-741 Georgetown 8/19/2020
720-742 Denver 9/11/2020
720-743 Longmont 9/21/2020
720-744 Denver
720-745 Longmont 4/17/2015
720-746 Denver
720-747 Denver
720-748 Denver
720-749 Denver 9/25/2015
720-750 Denver 1/28/2019
720-751 Denver 1/9/2020
720-752 Denver 8/17/2020
720-753 Fort Lupton 12/1/2015
720-754 Denver 3/30/2010
720-755 Denver 9/1/2015
720-756 Denver 11/24/2020
720-757 Denver 9/30/2014
720-758 Denver 12/20/2016
720-759 Longmont 8/10/2016
720-760 Denver 10/15/2020
720-761 Denver 10/5/2020
720-762 Denver 7/18/2019
720-763 Denver 11/5/2009
720-764 Hudson 10/23/2020
720-765 Denver 9/29/2017
720-766 Denver 1/25/2019
720-767 Denver 7/14/2014
720-768 Denver 11/14/2017
720-769 Denver 9/3/2020
720-770 Deckers 9/30/2014
720-771 Denver
720-772 Denver 10/15/2014
720-773 Denver 2/9/2015
720-774 Denver 6/4/2015
720-775 Denver 10/14/2009
720-776 Deckers 2/14/2019
720-777 Denver 2/9/2006
720-778 Denver 9/30/2014
720-779 Denver 6/12/2019
720-780 Denver 12/16/2019
720-781 Longmont 11/24/2020
720-782 Hudson 7/2/2019
720-783 Denver 8/5/2022
720-784 Georgetown 12/31/2020
720-785 Denver
720-786 Denver 8/12/2022
720-787 Denver 8/23/2016
720-788 Denver 1/6/2017
720-789 Denver 8/5/2011
720-790 Allenspark/Lyons 8/18/2020
720-791 Georgetown 3/16/2017
720-792 Denver 11/9/2020
720-793 Denver 11/13/2018
720-794 Allenspark/Lyons 1/15/2021
720-795 Denver 6/21/2017
720-796 Georgetown 12/11/2020
720-797 Keenesburg 5/22/2019
720-798 Denver 4/21/2020
720-799 Denver 3/13/2015
720-800 Denver 11/8/2012
720-802 Fort Lupton 8/19/2020
720-803 Denver 1/14/2021
720-804 Longmont 3/5/2021
720-805 Denver 8/15/2018
720-806 Deckers 2/24/2021
720-807 Denver 8/27/2020
720-808 Denver 10/20/2010
720-809 Denver 8/22/2014
720-810 Denver
720-812 Denver 3/24/2020
720-813 Denver 3/5/2021
720-814 Deer Trail 9/7/2021
720-815 Longmont 9/1/2017
720-817 Strasburg 9/24/2021
720-818 Longmont 9/1/2017
720-819 Denver 3/9/2018
720-820 Denver 9/28/2015
720-821 Longmont 1/6/2021
720-822 Denver 5/12/2014
720-823 Denver 1/8/2021
720-824 Hudson 10/20/2021
720-826 Denver 7/30/2019
720-827 Denver 3/22/2018
720-828 Denver 11/12/2018
720-829 Denver 7/29/2014
720-830 Denver 12/3/2018
720-831 Denver 10/25/2021
720-833 Denver
720-834 Denver
720-835 Denver 9/25/2015
720-836 Denver
720-837 Denver
720-838 Denver
720-839 Denver
720-840 Denver
720-841 Denver
720-842 Denver
720-843 Denver 10/21/2021
720-844 Denver 1/25/2021
720-845 Denver 8/30/2017
720-846 Deer Trail 6/22/2022
720-847 Denver 11/5/2003
720-848 Denver
720-849 Denver
720-850 Denver 5/27/2021
720-851 Denver
720-852 Denver
720-853 Longmont 10/25/2021
720-854 Denver
720-855 Denver
720-856 Fort Lupton 10/25/2021
720-857 Denver
720-858 Denver
720-859 Denver
720-860 Denver 8/12/2022
720-861 Georgetown 10/26/2021
720-862 Denver
720-863 Denver
720-864 Longmont
720-865 Denver
720-866 Denver 2/22/2019
720-868 Fort Lupton 4/1/2021
720-869 Denver 10/25/2021
720-870 Denver
720-871 Longmont 11/18/2021
720-872 Denver
720-873 Denver
720-874 Denver
720-875 Denver
720-876 Denver
720-877 Denver
720-878 Denver
720-879 Denver
720-880 Denver
720-881 Denver
720-882 Denver
720-883 Denver
720-884 Denver
720-885 Denver 2/4/2010
720-886 Denver
720-887 Denver
720-888 Denver
720-889 Denver
720-890 Denver
720-891 Denver 12/17/2001
720-892 Denver 3/20/2018
720-893 Allenspark/Lyons 8/8/2014
720-894 Deckers 10/25/2021
720-895 Denver
720-896 Denver 11/12/2021
720-897 Denver
720-898 Denver
720-899 Longmont 11/10/2014
720-900 Denver 10/7/2014
720-901 Denver 11/17/2021
720-902 Denver 5/1/2019
720-903 Denver
720-904 Denver
720-905 Denver 1/26/2022
720-906 Byers 12/3/2021
720-907 Denver
720-908 Denver 5/15/2017
720-909 Denver
720-910 Denver 3/25/2022
720-912 Denver 10/5/2020
720-913 Denver
720-914 Longmont 5/6/2022
720-915 Allenspark/Lyons 6/24/2022
720-916 Denver 7/6/2022
720-917 Denver
720-918 Keenesburg 6/24/2022
720-919 Denver 8/23/2016
720-920 Denver
720-921 Denver
720-922 Denver
720-923 Denver 8/22/2018
720-924 Deckers
720-925 Denver 12/18/2015
720-926 Denver 6/14/2018
720-927 Longmont 3/27/2019
720-928 Fort Lupton 5/15/2018
720-929 Denver
720-930 Denver 8/27/2015
720-931 Denver
720-932 Denver
720-933 Denver
720-934 Denver
720-935 Denver
720-936 Denver
720-937 Denver
720-938 Denver
720-939 Denver
720-940 Denver
720-941 Denver
720-942 Denver
720-943 Denver
720-944 Denver
720-945 Denver
720-946 Denver
720-947 Denver
720-948 Denver 6/22/2022
720-949 Denver
720-951 Denver
720-952 Deckers 6/24/2022
720-953 Denver 7/21/2022
720-955 Denver 7/9/2015
720-956 Denver
720-957 Denver 1/27/2022
720-960 Denver 8/17/2022
720-961 Denver
720-962 Denver
720-963 Denver
720-965 Denver 6/7/2013
720-966 Fort Lupton 10/2/2014
720-968 Denver 8/17/2022
720-971 Denver
720-972 Denver 4/23/2002
720-974 Denver
720-975 Denver
720-977 Denver
720-979 Denver
720-980 Denver
720-981 Denver
720-982 Denver
720-984 Denver
720-985 Denver
720-987 Denver
720-988 Denver
720-989 Denver
720-990 Denver 7/21/2015
720-992 Denver 1/11/2018
720-996 Denver 3/15/2017
720-997 Bennett 3/25/2022
720-998 Denver 12/1/2006
720-999 Denver 7/22/2008
  1. The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  3. The assignment date. If no date is shown the exchange code was assigned before 2001.

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List of cities in area code 720

City4 County Time5
Allenspark Boulder M
Arvada Jefferson M
Aurora Adams M
Bailey Park M
Bennett Adams M
Black Hawk Gilpin M
Bond Eagle M
Boulder Boulder M
Brighton Adams M
Broomfield Broomfield M
Buffalo Creek Jefferson M
Byers Arapahoe M
Castle Rock Douglas M
Central City Gilpin M
Commerce City Adams M
Conifer Jefferson M
Dacono Weld M
Deer Trail Arapahoe M
Denver Adams M
Dumont Clear Creek M
Dupont Adams M
Eastlake Adams M
Elbert El Paso M
Eldorado Springs Boulder M
Elizabeth Elbert M
Empire Clear Creek M
Englewood Arapahoe M
Erie Weld M
Evergreen Jefferson M
Firestone Weld M
Fort Lupton Weld M
Franktown Douglas M
Frederick Weld M
Georgetown Clear Creek M
Golden Jefferson M
Grant Park M
Henderson Adams M
Hereford Weld M
Highlands Ranch Douglas M
Hudson Weld M
Hygiene Boulder M
Idaho Springs Clear Creek M
Idledale Jefferson M
Indian Hills Jefferson M
Jamestown Boulder M
Keenesburg Weld M
Kiowa Elbert M
Kittredge Jefferson M
Lafayette Boulder M
Lakewood Jefferson M
Larkspur Douglas M
Littleton Arapahoe M
Longmont Boulder M
Louisville Boulder M
Louviers Douglas M
Lyons Boulder M
Morrison Jefferson M
Nederland Boulder M
Niwot Boulder M
Parker Douglas M
Pine Jefferson M
Pinecliffe Boulder M
Roggen Weld M
Rollinsville Gilpin M
Sedalia Douglas M
Sedgwick Sedgwick M
Shawnee Park M
Silver Plume Clear Creek M
Strasburg Adams M
Thornton Adams M
Ward Boulder M
Watkins Adams M
Westminster Adams M
Wheat Ridge Jefferson M
  1. Listed in the table above are most, often not all places served by area code 720. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. M stands for Mountain Time (currently 02:34:43 AM).

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