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831 Area Code

Area code 831 is in California (CA), USA and some of its main locations are Salinas, Santa Cruz, Watsonville, etc. (jump to city list below).

Area code 831 has been in service since July 11, 1998.

10:00:27 PM is the current time in area code 831 (Pacific Time Zone).

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831 phone number location

NPANXX Area served1 Date2
831-200 Monterey 11/26/2014
831-201 Santa Cruz 9/7/2016
831-202 Salinas 3/30/2018
831-203 Salinas N/A
831-204 Monterey N/A
831-205 Hollister 10/8/2009
831-206 Salinas N/A
831-207 Hollister 9/12/2001
831-208 Salinas 3/20/2019
831-210 Salinas 1/16/2002
831-212 Santa Cruz N/A
831-214 Salinas N/A
831-215 Monterey 10/2/2020
831-216 Felton N/A
831-217 Boulder Creek N/A
831-218 Ben Lomond N/A
831-219 Aptos N/A
831-220 Monterey 5/31/2018
831-221 San Ardo N/A
831-222 Felton N/A
831-223 Soledad N/A
831-224 Monterey 12/14/2001
831-225 Salinas 6/23/2015
831-226 Santa Cruz 7/16/2015
831-227 Santa Cruz N/A
831-228 Watsonville 9/21/2015
831-229 Salinas N/A
831-230 Monterey 12/15/2016
831-231 Greenfield 5/3/2019
831-232 Chualar N/A
831-233 Monterey N/A
831-234 Santa Cruz N/A
831-235 Salinas N/A
831-236 Monterey N/A
831-237 Soledad N/A
831-238 Carmel N/A
831-239 Santa Cruz N/A
831-240 Salinas N/A
831-241 Monterey N/A
831-242 Monterey N/A
831-243 Salinas 6/29/2020
831-244 Big Sur N/A
831-245 Hollister N/A
831-246 Ben Lomond N/A
831-247 Santa Cruz N/A
831-249 Big Sur 12/14/2009
831-250 Carmel N/A
831-251 Aptos N/A
831-252 Ben Lomond N/A
831-253 Salinas 12/4/2020
831-254 Watsonville N/A
831-255 Santa Cruz N/A
831-256 Salinas 4/10/2015
831-257 Aptos 10/7/2016
831-258 Salinas 7/8/2016
831-259 Monterey 6/10/2022
831-260 Soledad 3/15/2022
831-261 Salinas N/A
831-262 Salinas N/A
831-263 King City N/A
831-264 Monterey N/A
831-265 Hollister 4/2/2008
831-266 Santa Cruz 3/24/2021
831-267 Big Sur 12/14/2006
831-268 Felton 7/15/2016
831-269 Salinas 6/21/2007
831-270 Salinas 6/10/2022
831-271 Hollister 6/23/2021
831-272 Salinas N/A
831-273 Salinas 4/6/2017
831-274 Watsonville N/A
831-275 Monterey 10/23/2008
831-276 Salinas N/A
831-277 Monterey N/A
831-278 Ben Lomond N/A
831-281 Santa Cruz N/A
831-282 Monterey 9/17/2021
831-283 Carmel Valley 11/4/2022
831-285 Watsonville 10/28/2022
831-286 Soledad N/A
831-287 Salinas 12/16/2008
831-288 Watsonville 6/11/2009
831-289 Ben Lomond 9/20/2022
831-290 Gonzales 6/26/2009
831-291 Santa Cruz 4/7/2014
831-292 Soledad 1/8/2019
831-293 Carmel 6/25/2008
831-295 Santa Cruz 12/14/2001
831-296 Salinas 7/12/2010
831-297 Hollister 12/14/2001
831-298 Carmel Valley N/A
831-299 Tres Pinos N/A

NPANXX Area served1 Date2
831-300 Big Sur N/A
831-301 San Juan N/A
831-302 San Lucas N/A
831-303 San Ardo N/A
831-304 Greenfield N/A
831-305 Gonzales N/A
831-306 Chualar N/A
831-307 Castroville N/A
831-308 Carmel Valley N/A
831-309 Carmel 5/8/2017
831-313 Hollister 6/11/2009
831-315 Soledad 2/15/2016
831-316 Santa Cruz N/A
831-318 Aptos 3/17/2016
831-319 Watsonville 4/17/2001
831-320 Salinas N/A
831-322 Watsonville 3/17/2016
831-324 Monterey N/A
831-325 Santa Cruz 4/25/2001
831-331 Santa Cruz N/A
831-332 Santa Cruz N/A
831-333 Monterey N/A
831-334 Santa Cruz N/A
831-335 Felton N/A
831-336 Ben Lomond N/A
831-337 Boulder Creek N/A
831-338 Boulder Creek N/A
831-345 Santa Cruz 11/13/2001
831-346 Santa Cruz 9/23/2014
831-348 Watsonville 3/20/2019
831-350 Tres Pinos 5/11/2006
831-353 Watsonville 7/18/2016
831-356 Salinas 12/2/2019
831-359 Santa Cruz N/A
831-366 Boulder Creek 2/23/2022
831-372 Monterey N/A
831-373 Monterey N/A
831-375 Monterey N/A
831-382 San Lucas N/A
831-383 Monterey 9/13/2001
831-384 Monterey N/A
831-385 King City N/A
831-386 King City N/A
831-387 King City N/A
831-388 Greenfield 9/8/2022
831-389 Pinnacles N/A
831-392 Monterey N/A
831-393 Monterey N/A
831-394 Monterey N/A

NPANXX Area served1 Date2
831-400 Santa Cruz N/A
831-401 Ben Lomond N/A
831-402 Monterey 11/13/2001
831-406 Watsonville 12/14/2001
831-417 Salinas N/A
831-418 Santa Cruz N/A
831-419 Santa Cruz N/A
831-420 Santa Cruz N/A
831-421 Santa Cruz N/A
831-422 Salinas N/A
831-423 Santa Cruz N/A
831-424 Salinas N/A
831-425 Santa Cruz N/A
831-426 Santa Cruz N/A
831-427 Santa Cruz N/A
831-428 Santa Cruz N/A
831-429 Santa Cruz N/A
831-430 Santa Cruz N/A
831-431 Santa Cruz N/A
831-432 Boulder Creek 12/21/2020
831-435 Santa Cruz N/A
831-438 Santa Cruz N/A
831-439 Santa Cruz N/A
831-440 Santa Cruz N/A
831-442 Salinas N/A
831-443 Salinas N/A
831-444 Salinas N/A
831-449 Salinas N/A
831-453 Castroville 1/25/2011
831-454 Santa Cruz N/A
831-455 Salinas N/A
831-457 Santa Cruz N/A
831-458 Santa Cruz N/A
831-459 Santa Cruz N/A
831-460 Santa Cruz N/A
831-461 Santa Cruz N/A
831-462 Santa Cruz N/A
831-464 Santa Cruz N/A
831-465 Santa Cruz N/A
831-466 Santa Cruz N/A
831-469 Santa Cruz N/A
831-471 Santa Cruz N/A
831-475 Santa Cruz N/A
831-476 Santa Cruz N/A
831-477 Santa Cruz N/A
831-479 Santa Cruz N/A
831-480 Santa Cruz N/A
831-484 Salinas N/A
831-498 Watsonville N/A

NPANXX Area served1 Date2
831-500 Salinas N/A
831-502 Santa Cruz N/A
831-508 Felton N/A
831-512 Salinas N/A
831-515 Santa Cruz N/A
831-520 Monterey N/A
831-521 Monterey N/A
831-524 Hollister N/A
831-525 King City N/A
831-529 Santa Cruz 3/27/2020
831-531 Aptos N/A
831-532 Ben Lomond N/A
831-533 Boulder Creek N/A
831-534 Felton N/A
831-535 Santa Cruz N/A
831-536 Watsonville N/A
831-537 Hollister N/A
831-539 Watsonville N/A
831-540 Salinas N/A
831-560 Aptos N/A
831-566 Santa Cruz 6/14/2002
831-572 Aptos N/A
831-574 Carmel N/A
831-576 Santa Cruz N/A
831-578 Salinas N/A
831-580 Gonzales 5/1/2001
831-582 Monterey N/A
831-583 Monterey N/A
831-585 Salinas 2/18/2005
831-586 San Juan 5/1/2001
831-587 Watsonville 8/23/2021
831-588 Santa Cruz N/A
831-593 San Juan N/A
831-594 Salinas N/A
831-595 Salinas N/A
831-596 Salinas N/A
831-597 Salinas N/A
831-598 Salinas N/A

NPANXX Area served1 Date2
831-600 Santa Cruz N/A
831-601 Monterey N/A
831-603 Aptos N/A
831-604 Ben Lomond N/A
831-607 Aptos N/A
831-609 Ben Lomond N/A
831-610 Boulder Creek N/A
831-612 Aptos N/A
831-613 Greenfield N/A
831-618 Boulder Creek N/A
831-620 Carmel N/A
831-621 Santa Cruz N/A
831-622 Carmel N/A
831-623 San Juan N/A
831-624 Carmel N/A
831-625 Carmel N/A
831-626 Carmel N/A
831-627 San Ardo N/A
831-628 Tres Pinos N/A
831-630 Hollister N/A
831-632 Castroville N/A
831-633 Castroville N/A
831-634 Hollister N/A
831-635 Hollister N/A
831-636 Hollister N/A
831-637 Hollister N/A
831-638 Hollister N/A
831-641 Monterey N/A
831-642 Monterey N/A
831-643 Monterey N/A
831-644 Monterey N/A
831-645 Monterey N/A
831-646 Monterey N/A
831-647 Monterey N/A
831-648 Monterey N/A
831-649 Monterey N/A
831-652 Carmel Valley N/A
831-653 San Lucas 5/1/2001
831-655 Monterey N/A
831-656 Monterey N/A
831-657 Monterey N/A
831-658 Monterey N/A
831-659 Carmel Valley N/A
831-661 Aptos N/A
831-662 Aptos N/A
831-663 Salinas N/A
831-664 Hollister N/A
831-665 Hollister N/A
831-666 Watsonville N/A
831-667 Big Sur N/A
831-673 Hollister N/A
831-674 Greenfield N/A
831-675 Gonzales N/A
831-676 Salinas 8/30/2002
831-677 Soledad N/A
831-678 Soledad N/A
831-679 Chualar N/A
831-682 Salinas 3/9/2001
831-684 Aptos N/A
831-685 Aptos N/A
831-687 Aptos N/A
831-688 Aptos N/A
831-689 Aptos N/A
831-693 Idria N/A
831-699 Felton 12/21/2020
NPANXX Area served1 Date2
831-703 Boulder Creek N/A
831-704 Felton N/A
831-705 Chualar 3/13/2002
831-706 Santa Cruz N/A
831-707 Watsonville N/A
831-708 Aptos N/A
831-709 Ben Lomond N/A
831-710 Salinas 4/12/2002
831-713 Santa Cruz N/A
831-717 Monterey N/A
831-718 Monterey 8/16/2005
831-722 Watsonville N/A
831-724 Watsonville N/A
831-726 Watsonville N/A
831-728 Watsonville N/A
831-731 Castroville 5/1/2001
831-732 San Ardo N/A
831-737 Salinas 3/28/2006
831-740 Watsonville N/A
831-741 Castroville N/A
831-744 Gonzales N/A
831-747 Monterey 4/6/2005
831-750 Watsonville N/A
831-751 Salinas N/A
831-753 Salinas N/A
831-754 Salinas N/A
831-755 Salinas N/A
831-756 Salinas 9/12/2005
831-757 Salinas N/A
831-758 Salinas N/A
831-759 Salinas N/A
831-760 Monterey N/A
831-761 Watsonville N/A
831-763 Watsonville N/A
831-768 Watsonville N/A
831-769 Salinas N/A
831-770 Salinas N/A
831-771 Salinas N/A
831-772 Salinas N/A
831-774 Gonzales 4/27/2005
831-775 Salinas N/A
831-776 Salinas 7/12/2001
831-777 Santa Cruz 8/17/2015
831-778 San Lucas N/A
831-783 Salinas N/A
831-784 Salinas N/A
831-785 Salinas N/A
831-786 Watsonville N/A
831-788 Salinas 5/31/2022
831-789 Salinas N/A
831-794 Salinas 9/13/2001
831-796 Salinas N/A
NPANXX Area served1 Date2
831-800 Salinas 10/15/2010
831-801 Hollister N/A
831-809 Salinas N/A
831-818 Santa Cruz N/A
831-821 Tres Pinos N/A
831-824 Santa Cruz N/A
831-830 King City 7/24/2020
831-833 Hollister 2/24/2022
831-837 Salinas 1/10/2022
831-840 Watsonville N/A
831-842 Aptos 11/21/2021
831-844 Big Sur N/A
831-850 Felton N/A
831-851 Watsonville N/A
831-854 Santa Cruz N/A
831-855 Monterey N/A
831-856 Greenfield 5/1/2001
831-867 Monterey 3/24/2017
831-869 Monterey 7/12/2001
831-877 Carmel 3/20/2019
831-883 Monterey N/A
831-884 Monterey N/A
831-886 Monterey N/A
831-887 Monterey N/A
831-888 Santa Cruz N/A
831-889 Santa Cruz 6/27/2018
831-899 Monterey N/A

NPANXX Area served1 Date2
831-900 Santa Cruz N/A
831-901 Monterey N/A
831-902 Hollister N/A
831-905 Salinas N/A
831-912 Monterey N/A
831-915 Monterey N/A
831-917 Monterey N/A
831-920 Monterey 6/3/2005
831-921 Tres Pinos N/A
831-946 Santa Cruz 7/13/2021
831-948 Watsonville 4/3/2015
831-970 Salinas N/A
831-975 Salinas N/A
831-996 Tres Pinos 5/1/2001
831-998 Salinas 7/17/2003
831-999 Santa Cruz 4/6/2016
  1. 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.
  2. Assignment date. N/A - mostly CO codes assigned before 2001.
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Cities in area code 831

City1 County Time2
Aptos Santa Cruz P
Aromas Monterey P
Ben Lomond Santa Cruz P
Big Sur Monterey P
Boulder Creek Santa Cruz P
Brookdale Santa Cruz P
Capitola Santa Cruz P
Carmel Monterey P
Carmel Valley Monterey P
Carmel-by-the-Sea Monterey P
Castroville Monterey P
Chualar Monterey P
Davenport Santa Cruz P
Felton Santa Cruz P
Freedom Santa Cruz P
Gonzales Monterey P
Greenfield Monterey P
Hollister San Benito P
Jolon Monterey P
King City Monterey P
Lockwood Monterey P
Marina Monterey P
Monterey Monterey P
Moss Landing Monterey P
Mount Hermon Santa Cruz P
Pacific Grove Monterey P
Paicines San Benito P
Pebble Beach Monterey P
Salinas Monterey P
San Ardo Monterey P
San Juan Bautista San Benito P
San Lucas Monterey P
Santa Cruz Santa Cruz P
Scotts Valley Santa Cruz P
Seaside Monterey P
Soledad Monterey P
Soquel Santa Cruz P
Spreckels Monterey P
Tres Pinos San Benito P
Watsonville Santa Cruz P
  1. Listed above are most places served by area code 831. When multiple places in a state/province share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. P stands for Pacific Time Zone (currently 10:00:27 PM).
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