Area Code 831-800 : Area Code 831-899 is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 831 8xx including 831 area code location map. Major cities such as Salinas, Marina, Oakland, Santa Clara, San Francisco covered within area code 831 8xx are also listed on this page. More area codes, including those outside of California, United States of America, are on the homepage.

Reverse Lookup Detail for Area Code 831 8xx

Area code 831 covers part of Californiastate, covering most of Monterey, Santa Cruz, San Benito counties. It was started on Jan 01, 2000. This region follows US/Pacific + Daylight Savings timezone. Other popular area codes that belong to California state include 209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 858, 909, 916, 925, 949, 951.

Verified changes in Area Code 831 8XX

Date ChangedChange Details
May 20, 2014Area code 831-800 was introduced on Apr 08, 2013 and subscribers are operational from May 20, 2014.
Mar 28, 2014Area code 831-856 was introduced on Feb 27, 2014 and subscribers are operational from Mar 28, 2014.
Feb 04, 2014Area code 831-884 was introduced on Jan 23, 2014 and subscribers are operational from Feb 04, 2014.
Dec 14, 2013Area code 831-821 was introduced on Dec 05, 2013 and subscribers are operational from Dec 14, 2013.
Jun 04, 2013Area code 831-869 was introduced on Apr 09, 2003 and subscribers are operational from Jun 04, 2013.
Oct 27, 2012Area code 831-824 was introduced on Oct 01, 2012 and subscribers are operational from Oct 27, 2012.

Area Code 831-800 - Area Code 831-899 (Covers 831 8xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
831-800-8SalinasMonterey415,057CF Communications LLC dba Telekenex - CA
831-800-7SalinasMonterey415,057Comcast Phone of California LLC - CA
831-800-0SalinasMonterey415,057Vaya Telecom Inc - CA
831-801SalinasSan Benito55,269Cellco Partnership dba Verizon Wireless - CA
831-809SalinasMonterey415,057Cellco Partnership dba Verizon Wireless - CA
831-811823,813One Call Services-Pipeline And Utility Safety
831-818SunnyvaleSanta Cruz262,382Cellco Partnership dba Verizon Wireless - CA
831-821-0SalinasSan Benito55,269Cellco Partnership dba Verizon Wireless - CA
831-824-2OaklandSanta Cruz262,382Paetec Communications Inc - CA
831-824-7San FranciscoSanta Cruz262, CLEC LLC - CA
831-824-5San FranciscoSanta Cruz262,382Broadwing Communications LLC - CA
831-824-0San FranciscoSanta Cruz262,382Level 3 Communications LLC - CA
831-824-0San FranciscoSanta Cruz262,382Teleport Communications Group - San Francisco
831-824-8San FranciscoSanta Cruz262,382YMax Communications Corporation - CA
831-824-1San JoseSanta Cruz262,382Peerless Network of California LLC - CA
831-824-3San JoseSanta Cruz262,382Teleport Communications Group - San Francisco
831-840-0Santa ClaraSanta Cruz262,382New Cingular Wireless PCS LLC
831-844-0SalinasMonterey415,057Pac-West Telecomm Inc - CA
831-850OaklandSanta Cruz262,382Pac-West Telecomm Inc - CA
831-851OaklandSanta Cruz262,382Pac-West Telecomm Inc - CA
831-854-8OaklandSanta Cruz262,382MetroPCS Inc
831-854-0OaklandSanta Cruz262,382Pac-West Telecomm Inc - CA
831-854-7San FranciscoSanta Cruz262, CLEC LLC - CA
831-854-2WatsonvilleSanta Cruz262,382Charter Fiberlink CA-CCO LLC - CA
831-855SalinasMonterey415,057Pac-West Telecomm Inc - CA
831-856-0MontereyMonterey415, CLEC LLC - CA
831-856-7SalinasMonterey415,057Level 3 Communications LLC - CA
831-856-0SalinasMonterey415,057O1 Communications Inc - CA
831-856-8SalinasMonterey415,057SBC Internet Services Inc
831-869-0SalinasMonterey415,057Sprint Spectrum LP
831-883-0MarinaMonterey415,057Pacific Bell Telephone Company
831-884-0MarinaMonterey415,057Pacific Bell Telephone Company
831-884-3SalinasMonterey415,057Cellco Partnership dba Verizon Wireless - CA
831-884-5SalinasMonterey415,057Comcast Phone of California LLC - CA
831-886SalinasMonterey415,057Pac-West Telecomm Inc - CA
831-887-0SalinasMonterey415,057Pac-West Telecomm Inc - CA
831-899SeasideMonterey415,057Pacific Bell Telephone Company

Recent Free Phone Number Reviews in Area Code 831 8xx

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Verified phone numbers in Area Code 831

Area Code#Area Code#Area Code#Area Code#Area Code#
831 332363831 383351831 216325831 706291831 402277
831 239273831 917272831 277255831 818252831 794248
831 345247831 359245831 227243831 334232831 234230
831 601225831 588220831 801218831 240215831 915215
831 247214831 236208831 419208831 238207831 261206

Map for area code 831 8xx  

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Current Time in 831-8 Area Code

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831 Area Code

At, you'll find current information on 831area code, including 831 area code location & map. Other phone area code may be searched using's area code locator service on the homepage. Use the phone number search function above to instant verify area code lookup & phone number lookup.

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831 Area Code Finder

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Reverse Phone Number Verification

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Telephone/Landline Area Codes is a resource of North American telephone area codes. Beyond area code listings, relevant information about each area code is detailed. For example, this page details area code 831-8. You can also search area codes by state, and within the NANP, find country area codes.

Free Area Codes Locator for California

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831 Area Code Reviews provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 831-8. All USA states area codes may be found using

Telephone Area Codes in California

The telephone area code prefixes local phone numbers & is not required to be dialed. For area codes by city, search Area codes telephone differ from region to region, and in some places the area code must be dialed even when calling locally within that region. Find out more with area code decoder.

External links & resources for area code 831 in California

  • CitySites Pages for California (Source: Official CitySites)
  • Wikipedia Article on Area Code 831 (Source: Wikipedia)
  • State Information Resources for California (Source: State Information)