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831-533

You are reviewing the Area Code (NPA/NXX) report for 831-533. Did you mean to search the SMS short code 831533?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number831533
Basic Format831-533
NPA (Area Code)831
NXX533

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective DateBlock Available Date
831-533-0XXX515JIP HORIZON LLCBOULDERCRKAS08/17/2016CAWC09/15/2016
831-533-1XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKRTCAWC
831-533-2XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAS08/31/2004CAWC09/24/2004
831-533-3XXX649CONVOY, LLC - CABOULDERCRKAS07/02/2019CAWC07/28/2019
831-533-4XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAS05/18/2005CAWC06/01/2005
831-533-5XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAS05/18/2005CAWC06/01/2005
831-533-6XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAVCAWC08/13/2024
831-533-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAVCAWC07/08/2024
831-533-8XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKAVCAWC07/08/2024
831-533-9XXX649CONVOY, LLC - CABOULDERCRKAS05/18/2005CAWC06/13/2005
831-533-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCBOULDERCRKASCA

Reports

Anonymous User from , CT

December 12, 2025 at 6:17 PM

831-533-0980 reported as a unwanted call. Received on December 12, 2025 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , IA

April 28, 2025 at 2:25 PM

831-533-0725 reported as a Robocall. Received on April 26, 2025 at 2:29 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Martinez, California

March 22, 2024 at 12:32 AM

831-533-2678 reported as a Live Voice or Other. Received on March 21, 2024 at 11:56 AM.
Call for Medical & prescriptions

Anonymous User from Seaside, California

February 14, 2024 at 3:20 PM

831-533-3249 reported as a Robocall. Received on January 1, 2024 at 12:00 PM.
Call for Medical & prescriptions

Anonymous User from , CA

October 24, 2023 at 1:39 PM

831-533-3198 reported as a Robocall. Received on October 24, 2023 at 10:00 AM.
Call for No Subject Provided

Anonymous User from Montello, Wisconsin

October 7, 2023 at 11:55 AM

831-533-0044 reported as a Live Voice or Other. Received on October 7, 2023 at 10:13 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

September 19, 2023 at 11:43 AM

831-533-4824 reported as a Robocall. Received on September 19, 2023 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Scotts Valley, California

July 13, 2023 at 2:41 PM

831-533-3898 reported as a Robocall. Received on July 13, 2023 at 10:30 AM.

Anonymous User from Santa Barbara, California

July 11, 2022 at 5:32 PM

831-533-1154 reported as a Robocall. Received on July 11, 2022 at 2:22 PM.

Most 'popular' numbers on this prefix:

831-533-0XXX: 831-533-0010 | 831-533-0011 | 831-533-0020 | 831-533-0040 | 831-533-0045 | 831-533-0047 |
831-533-1XXX: 831-533-1100 | 831-533-1122 | 831-533-1147 | 831-533-1152 | 831-533-1153 | 831-533-1154 |
831-533-3XXX: 831-533-3100 | 831-533-3110 | 831-533-3196 | 831-533-3197 | 831-533-3199 | 831-533-3200 | 831-533-3240 | 831-533-3245 | 831-533-3246 | 831-533-3800 | 831-533-3850 | 831-533-3888 | 831-533-3890 | 831-533-3899 |