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301-400

You are reviewing the Area Code (NPA/NXX) report for 301-400. Did you mean to search the SMS short code 301400?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number301400
Basic Format301-400
NPA (Area Code)301
NXX400

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
301-400-0XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-1XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-2XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-3XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-4XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-5XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-6XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-7XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-8XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-9XXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/31/2010WASHINGTON ZONE 02MDMA06/05/2010
301-400-XXXX9212VERIZON MARYLAND, INC.WSHNGTNZN2AS03/29/2010WASHINGTON ZONE 02MD

Reports

Anonymous User from Frederick, Maryland

April 21, 2026 at 5:07 PM

301-400-4489 reported as a Live Voice or Other. Received on April 21, 2026 at 5:00 PM.

Anonymous User from , KY

July 15, 2025 at 4:23 PM

301-400-2088 reported as a Robocall. Received on July 15, 2025 at 4:20 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Woodbridge, Virginia

March 23, 2025 at 10:46 AM

301-400-2338 reported as a Live Voice or Other. Received on March 23, 2025 at 10:23 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hyattsville, Maryland

February 21, 2024 at 12:14 PM

301-400-4085 reported as a Robocall. Received on February 20, 2024 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hyattsville, Maryland

February 21, 2024 at 12:09 PM

301-400-4093 reported as a Robocall. Received on February 21, 2024 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rockville, Maryland

November 30, 2023 at 6:28 PM

301-400-2723 reported as a Live Voice or Other. Received on November 30, 2023 at 1:25 PM.
Call for Dropped call or no message

Anonymous User from Smithsburg, Maryland

November 27, 2023 at 3:10 PM

301-400-3622 reported as a Robocall. Received on November 27, 2023 at 3:09 PM.
Call for Medical & prescriptions

Anonymous User from Mitchellville, Maryland

June 28, 2023 at 6:45 PM

301-400-6140 reported as a Live Voice or Other. Received on June 28, 2023 at 5:18 PM.

Anonymous User from Fairfax, Virginia

March 7, 2023 at 1:41 PM

301-400-0383 reported as a Robocall. Received on March 1, 2023 at 10:10 AM.

Anonymous User from Silver Spring, Maryland

December 14, 2022 at 2:34 PM

301-400-2065 reported as a Live Voice or Other. Received on December 14, 2022 at 2:29 PM.

Anonymous User from Bethesda, Maryland

June 27, 2022 at 9:04 PM

301-400-4117 reported as a Robocall. Received on June 27, 2022 at 1:06 PM.
Call for Calls pretending to be government, businesses, or family and friends

Most 'popular' numbers on this prefix:

301-400-0XXX: 301-400-0303 | 301-400-0308 | 301-400-0309 | 301-400-0383 | 301-400-0387 | 301-400-0389 |
301-400-1XXX: 301-400-1212 | 301-400-1234 | 301-400-1238 | 301-400-1240 | 301-400-1245 | 301-400-1247 |
301-400-2XXX: 301-400-2000 | 301-400-2002 | 301-400-2008 | 301-400-2060 | 301-400-2062 | 301-400-2069 | 301-400-2300 | 301-400-2333 | 301-400-2337 | 301-400-2338 | 301-400-2345 | 301-400-2362 | 301-400-2720 | 301-400-2722 | 301-400-2724 | 301-400-2758 | 301-400-2777 | 301-400-2778 |
301-400-3XXX: 301-400-3600 | 301-400-3620 | 301-400-3624 | 301-400-3629 | 301-400-3636 | 301-400-3658 |
301-400-4XXX: 301-400-4000 | 301-400-4001 | 301-400-4062 | 301-400-4080 | 301-400-4083 | 301-400-4088 | 301-400-4111 | 301-400-4114 | 301-400-4115 | 301-400-4141 | 301-400-4142 | 301-400-4147 |
301-400-6XXX: 301-400-6140 | 301-400-6142 | 301-400-6143 | 301-400-6157 | 301-400-6158 | 301-400-6197 |