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301-820

You are reviewing the Area Code (NPA/NXX) report for 301-820. Did you mean to search the SMS short code 301820?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number301820
Basic Format301-820
NPA (Area Code)301
NXX820

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
301-820-0XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS01/24/2012GAITHERSBURGMDMA02/23/2012
301-820-1XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS01/24/2012GAITHERSBURGMDMA02/23/2012
301-820-2XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS09/01/2010GAITHERSBURGMDMA09/14/2010
301-820-3XXX829JPAETEC ITEL, LLCGAITHERSBGAS05/17/2011GAITHERSBURGMDMA05/27/2011
301-820-4XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCGAITHERSBGRTGAITHERSBURGMDMA
301-820-5XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS10/19/2009GAITHERSBURGMDMA11/04/2009
301-820-6XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCGAITHERSBGRTGAITHERSBURGMDMA
301-820-7XXX876DONVOY, LLC - MDGAITHERSBGAS06/07/2011GAITHERSBURGMDMA06/17/2011
301-820-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS01/24/2012GAITHERSBURGMDMA02/23/2012
301-820-9XXX624HONVOY SPECTRUM, LLCGAITHERSBGAS12/08/2021GAITHERSBURGMDMA01/07/2022
301-820-XXXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCGAITHERSBGASGAITHERSBURGMD

Business/Government Phones on the 301-820 Prefix

PhoneNameAddress
301-820-5219Camrals Construction LLC

Reports

Anonymous User from Bowie, Maryland

April 24, 2026 at 7:00 PM

301-820-7129 reported as a Robocall. Received on April 24, 2026 at 6:43 PM.
Call for Home improvement & cleaning

Anonymous User from Frederick, Maryland

February 5, 2026 at 8:01 PM

301-820-4429 reported as a Live Voice or Other. Received on February 5, 2026 at 7:54 PM.

Anonymous User from Silver Spring, Maryland

February 5, 2026 at 2:06 PM

301-820-3292 reported as a Live Voice or Other. Received on February 5, 2026 at 1:49 PM.

Anonymous User from Frederick, Maryland

January 19, 2026 at 10:58 AM

301-820-7643 reported as a Robocall. Received on January 19, 2026 at 9:45 AM.
Call for Home improvement & cleaning

Anonymous User from Damascus, Maryland

December 2, 2025 at 9:02 AM

301-820-7272 reported as a Robocall. Received on December 2, 2025 at 8:59 AM.

Anonymous User from Smithsburg, Maryland

September 23, 2025 at 4:06 PM

301-820-4800 reported as a Live Voice or Other. Received on September 23, 2025 at 4:05 PM.
Call for Medical & prescriptions

Anonymous User from Smithsburg, Maryland

September 17, 2025 at 4:01 PM

301-820-7129 reported as a Live Voice or Other. Received on September 17, 2025 at 3:59 PM.
Call for Medical & prescriptions

Anonymous User from Temple, Texas

September 4, 2025 at 11:19 PM

301-820-7718 reported as a Robocall. Received on September 4, 2025 at 10:01 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Smithsburg, Maryland

September 2, 2025 at 10:58 AM

301-820-3451 reported as a Live Voice or Other. Received on September 2, 2025 at 10:56 AM.
Call for Dropped call or no message

Anonymous User from Smithsburg, Maryland

August 20, 2025 at 4:09 PM

301-820-3974 reported as a Live Voice or Other. Received on August 20, 2025 at 1:22 PM.
Call for Energy, solar, & utilities

Anonymous User from Smithsburg, Maryland

August 14, 2025 at 11:02 AM

301-820-4037 reported as a Robocall. Received on August 14, 2025 at 11:01 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MD

August 1, 2025 at 10:35 AM

301-820-3435 reported as a Robocall. Received on August 1, 2025 at 10:31 AM.
Call for Medical & prescriptions

Anonymous User from Rockville, Maryland

June 18, 2025 at 2:11 PM

301-820-7006 reported as a Robocall. Received on June 18, 2025 at 1:48 PM.

Anonymous User from Mechanicsville, Maryland

May 22, 2025 at 7:51 PM

301-820-3155 reported as a Robocall. Received on May 10, 2025 at 11:14 AM.

Anonymous User from Damascus, Maryland

April 9, 2025 at 5:47 PM

301-820-3264 reported as a unwanted call. Received on April 9, 2025 at 5:11 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bethesda, Maryland

April 9, 2025 at 11:32 AM

301-820-3292 reported as a Live Voice or Other. Received on April 9, 2025 at 10:57 AM.

Anonymous User from , MD

April 3, 2025 at 3:18 PM

301-820-0987 reported as a unwanted call. Received on April 3, 2025 at 3:15 PM.

Anonymous User from Smithsburg, Maryland

January 24, 2025 at 4:05 PM

301-820-7685 reported as a Live Voice or Other. Received on January 24, 2025 at 4:04 PM.
Call for Dropped call or no message

Anonymous User from Smithsburg, Maryland

November 12, 2024 at 8:53 AM

301-820-4754 reported as a Live Voice or Other. Received on November 12, 2024 at 8:52 AM.
Call for Dropped call or no message

Anonymous User from Silver Spring, Maryland

October 21, 2024 at 10:18 AM

301-820-6738 reported as a Live Voice or Other. Received on October 21, 2024 at 9:47 AM.

Anonymous User from , MD

July 11, 2024 at 5:54 PM

301-820-3137 reported as a Live Voice or Other. Received on July 11, 2024 at 5:48 PM.
Call for No Subject Provided

Anonymous User from , MI

May 6, 2024 at 7:55 PM

301-820-7996 reported as a unwanted call. Received on May 2, 2024 at 4:31 PM.
Call for Dropped call or no message

Anonymous User from , MD

May 4, 2024 at 9:46 PM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 4:57 PM.

Anonymous User from Kensington, Maryland

May 3, 2024 at 4:05 PM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 4:34 PM.
Call for Dropped call or no message

Anonymous User from , MD

May 3, 2024 at 12:04 PM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 4:45 PM.

Anonymous User from , MD

May 3, 2024 at 1:15 AM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 5:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Gaithersburg, Maryland

May 2, 2024 at 7:55 PM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 4:46 PM.
Call for Dropped call or no message

Anonymous User from , MD

May 2, 2024 at 5:35 PM

301-820-7996 reported as a unwanted call. Received on May 2, 2024 at 4:47 PM.

Anonymous User from Silver Spring, Maryland

May 2, 2024 at 5:35 PM

301-820-7996 reported as a unwanted call. Received on May 2, 2024 at 4:26 PM.
Call for Dropped call or no message

Anonymous User from , MD

May 2, 2024 at 4:54 PM

301-820-7996 reported as a Robocall. Received on May 2, 2024 at 4:36 PM.
Call for No Subject Provided

Anonymous User from Perry Hall, Maryland

May 2, 2024 at 4:46 PM

301-820-7996 reported as a unwanted call. Received on May 2, 2024 at 4:45 PM.

Anonymous User from , MD

May 2, 2024 at 4:41 PM

301-820-7996 reported as a Live Voice or Other. Received on May 2, 2024 at 4:39 PM.
Call for Dropped call or no message

Anonymous User from Germantown, Maryland

March 18, 2024 at 5:09 PM

301-820-8012 reported as a Live Voice or Other. Received on March 18, 2024 at 4:45 AM.

Anonymous User from Germantown, Maryland

February 13, 2024 at 10:02 AM

301-820-6098 reported as a Robocall. Received on February 13, 2024 at 9:58 AM.

Anonymous User from Hyattsville, Maryland

January 30, 2024 at 8:58 AM

301-820-4800 reported as a Robocall. Received on January 29, 2024 at 11:58 AM.

Anonymous User from , MD

December 7, 2023 at 5:30 PM

301-820-0156 reported as a Robocall. Received on December 7, 2023 at 5:21 PM.
Call for Home improvement & cleaning

Anonymous User from Derwood, Maryland

November 17, 2023 at 8:46 PM

301-820-7556 reported as a Live Voice or Other. Received on August 24, 2023 at 12:04 PM.
Call for No Subject Provided

Anonymous User from , OR

November 7, 2023 at 4:30 PM

301-820-7539 reported as a Live Voice or Other. Received on November 7, 2023 at 1:29 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hyattsville, Maryland

October 7, 2023 at 4:45 PM

301-820-7993 reported as a Robocall. Received on October 7, 2023 at 9:50 AM.

Anonymous User from San Diego, CA

September 29, 2023 at 2:11 AM

301-820-5346 reported as a Prerecorded Voice. Received on September 29, 2023 at 9:38 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Reisterstown, Maryland

August 31, 2023 at 12:32 PM

301-820-7678 reported as a Live Voice or Other. Received on August 31, 2023 at 12:31 PM.
Call for Home improvement & cleaning

Anonymous User from New Carrollton, Maryland

May 6, 2023 at 5:58 PM

301-820-3654 reported as a Robocall. Received on May 6, 2023 at 5:01 PM.

Anonymous User from Hagerstown, Maryland

March 15, 2023 at 7:03 PM

301-820-3148 reported as a Live Voice or Other. Received on March 14, 2023 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Glen Burnie, Maryland

February 7, 2023 at 8:45 AM

301-820-5194 reported as a Robocall. Received on February 6, 2023 at 12:17 PM.
Call for Work from home & other ways to make money

Anonymous User from Gaithersburg, Maryland

January 24, 2023 at 12:22 PM

301-820-7740 reported as a unwanted call. Received on January 19, 2023 at 11:33 AM.

Anonymous User from Gaithersburg, Maryland

January 24, 2023 at 12:21 PM

301-820-7509 reported as a unwanted call. Received on January 17, 2023 at 6:56 PM.

Anonymous User from Gaithersburg, Maryland

January 12, 2023 at 8:31 AM

301-820-7724 reported as a unwanted call. Received on January 9, 2023 at 5:24 PM.

Anonymous User from Gaithersburg, Maryland

November 30, 2022 at 10:07 AM

301-820-7872 reported as a unwanted call. Received on November 29, 2022 at 12:28 PM.

Anonymous User from Gaithersburg, Maryland

November 23, 2022 at 12:41 PM

301-820-7577 reported as a unwanted call. Received on November 22, 2022 at 10:08 AM.

Anonymous User from Gaithersburg, Maryland

November 21, 2022 at 1:20 PM

301-820-7877 reported as a unwanted call. Received on November 21, 2022 at 12:57 PM.

Anonymous User from Gaithersburg, Maryland

November 21, 2022 at 1:19 PM

301-820-7862 reported as a unwanted call. Received on November 21, 2022 at 10:11 AM.

Anonymous User from Gaithersburg, Maryland

November 21, 2022 at 1:16 PM

301-820-7892 reported as a unwanted call. Received on November 19, 2022 at 6:22 PM.

Anonymous User from Gaithersburg, Maryland

November 21, 2022 at 1:14 PM

301-820-7694 reported as a unwanted call. Received on November 19, 2022 at 1:20 PM.

Anonymous User from Gaithersburg, Maryland

November 18, 2022 at 10:57 AM

301-820-7656 reported as a unwanted call. Received on November 17, 2022 at 5:15 PM.

Anonymous User from Gaithersburg, Maryland

November 17, 2022 at 1:22 PM

301-820-7726 reported as a unwanted call. Received on November 17, 2022 at 10:41 AM.

Anonymous User from Gaithersburg, Maryland

November 17, 2022 at 1:21 PM

301-820-7659 reported as a unwanted call. Received on November 16, 2022 at 4:42 PM.

Anonymous User from , MD

September 19, 2022 at 1:09 PM

301-820-3815 reported as a Live Voice or Other. Received on September 19, 2022 at 1:08 PM.
Call for Dropped call or no message

Anonymous User from Silver Spring, Maryland

August 3, 2022 at 10:07 AM

301-820-7075 reported as a Live Voice or Other. Received on August 3, 2022 at 9:46 AM.

Anonymous User from , MD

July 29, 2022 at 12:58 PM

301-820-8611 reported as a Robocall. Received on July 29, 2022 at 12:54 PM.

Anonymous User from , MA

July 2, 2022 at 5:34 PM

301-820-7977 reported as a Robocall. Received on July 2, 2022 at 5:34 PM.
Call for No Subject Provided

Anonymous User from , MA

July 2, 2022 at 5:33 PM

301-820-7977 reported as a Robocall. Received on July 2, 2022 at 5:33 PM.
Call for No Subject Provided

Anonymous User from Severna Park, Maryland

June 23, 2022 at 2:01 PM

301-820-5194 reported as a Robocall. Received on June 23, 2022 at 1:57 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Ownings Mills, Maryland

June 15, 2022 at 5:18 PM

301-820-7392 reported as a Live Voice or Other. Received on June 15, 2022 at 10:29 AM.
Call for Home improvement & cleaning

Anonymous User from East New Market, MD

May 12, 2022 at 5:48 PM

None reported as a Live Voice. Received on May 12, 2022 at 1:38 PM.
Unwanted call for Medicare Medicaid Services
Caller ID indicated they called from 301-820-7767
Contacted via Wired

Anonymous User from Mount Airy, MD

November 16, 2021 at 9:22 PM

None reported as a Prerecorded Voice. Received on November 16, 2021 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-820-3537
Contacted via Wired

Anonymous User from Dundalk, MD

December 8, 2020 at 9:51 PM

None reported as a Prerecorded Voice. Received on December 8, 2020 at 4:42 PM.
Unwanted call for unknown
Caller ID indicated they called from 301-820-3421
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

301-820-0XXX: 301-820-0150 | 301-820-0152 | 301-820-0157 | 301-820-0158 | 301-820-0178 | 301-820-0502 | 301-820-0503 | 301-820-0506 | 301-820-0523 | 301-820-0528 | 301-820-0529 | 301-820-0902 | 301-820-0903 | 301-820-0907 | 301-820-0982 | 301-820-0983 | 301-820-0987 |
301-820-1XXX: 301-820-1000 | 301-820-1001 | 301-820-1003 | 301-820-1070 | 301-820-1071 | 301-820-1078 |
301-820-2XXX: 301-820-2200 | 301-820-2252 | 301-820-2260 | 301-820-2262 | 301-820-2269 |
301-820-3XXX: 301-820-3140 | 301-820-3142 | 301-820-3145 | 301-820-3196 | 301-820-3198 | 301-820-3238 | 301-820-3256 | 301-820-3258 | 301-820-3290 | 301-820-3291 | 301-820-3299 | 301-820-3400 | 301-820-3420 | 301-820-3423 | 301-820-3428 | 301-820-3500 | 301-820-3511 | 301-820-3535 | 301-820-3537 | 301-820-3538 | 301-820-3600 | 301-820-3650 | 301-820-3651 | 301-820-3655 | 301-820-3658 | 301-820-3800 | 301-820-3810 | 301-820-3811 | 301-820-3814 |
301-820-4XXX: 301-820-4755 | 301-820-4757 | 301-820-4758 | 301-820-4800 | 301-820-4807 | 301-820-4808 |
301-820-5XXX: 301-820-5190 | 301-820-5196 | 301-820-5199 | 301-820-5200 | 301-820-5212 | 301-820-5215 | 301-820-5217 | 301-820-5340 | 301-820-5343 | 301-820-5345 | 301-820-5730 | 301-820-5735 | 301-820-5737 | 301-820-5756 | 301-820-5757 | 301-820-5787 | 301-820-5880 | 301-820-5883 | 301-820-5887 |
301-820-6XXX: 301-820-6000 | 301-820-6020 | 301-820-6060 | 301-820-6090 | 301-820-6096 | 301-820-6099 | 301-820-6443 | 301-820-6452 | 301-820-6453 | 301-820-6484 | 301-820-6486 | 301-820-6487 | 301-820-6730 | 301-820-6734 | 301-820-6737 | 301-820-6762 | 301-820-6783 | 301-820-6787 |
301-820-7XXX: 301-820-7000 | 301-820-7040 | 301-820-7070 | 301-820-7077 | 301-820-7078 | 301-820-7371 | 301-820-7372 | 301-820-7373 | 301-820-7390 | 301-820-7393 | 301-820-7399 | 301-820-7500 | 301-820-7507 | 301-820-7550 | 301-820-7552 | 301-820-7557 | 301-820-7600 | 301-820-7680 | 301-820-7683 | 301-820-7688 | 301-820-7700 | 301-820-7720 | 301-820-7722 | 301-820-7724 | 301-820-7777 | 301-820-7778 | 301-820-7870 | 301-820-7877 | 301-820-7878 | 301-820-7883 | 301-820-7887 | 301-820-7900 | 301-820-7938 | 301-820-7976 | 301-820-7993 | 301-820-7996 | 301-820-7997 |
301-820-8XXX: 301-820-8000 | 301-820-8009 | 301-820-8010 | 301-820-8015 | 301-820-8017 | 301-820-8080 | 301-820-8601 | 301-820-8606 | 301-820-8610 | 301-820-8614 | 301-820-8617 |