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301-388

You are reviewing the Area Code (NPA/NXX) report for 301-388. Did you mean to search the SMS short code 301388?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number301388
Basic Format301-388
NPA (Area Code)301
NXX388

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
301-388-0XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-1XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-2XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-3XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-4XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-5XXX071FBANDWIDTH.COM CLEC, LLC - MDWSNGTNZN12AS05/07/2014WASHINGTON ZONE 12MDMA06/06/2014
301-388-6XXX5562METROPCS, INC.WSNGTNZN12AS07/02/2013WASHINGTON ZONE 12MDMA07/25/2013
301-388-7XXX829JPAETEC ITEL, LLCWSNGTNZN12AS04/01/2008WASHINGTON ZONE 12MDMA04/11/2008
301-388-8XXX071FBANDWIDTH.COM CLEC, LLC - MDWSNGTNZN12AS04/20/2011WASHINGTON ZONE 12MDMA05/20/2011
301-388-9XXX9212VERIZON MARYLAND, INC.WSNGTNZN12RTWASHINGTON ZONE 12MDMA
301-388-XXXX9212VERIZON MARYLAND, INC.WSNGTNZN12ASWASHINGTON ZONE 12MD

Business/Government Phones on the 301-388 Prefix

PhoneNameAddress
301-388-3919Quality Air Solutions LLC
301-388-5353Landscape Therapy HG
301-388-5384Bylt It, LLC
301-388-6377CRI Construction Repairs Improvement, LLC
301-388-08682419 Briggs Chaney Road Silver Spring 20905 US
301-388-7601Pizza Hut13884 Old Columbia Pike Silver Spring 20904 US

Reports

Anonymous User from College Park, Maryland

April 28, 2026 at 1:32 PM

301-388-8965 reported as a Robocall. Received on April 28, 2026 at 1:08 PM.
Call for Medical & prescriptions

Anonymous User from Gaithersburg, Maryland

March 25, 2026 at 3:56 PM

301-388-5339 reported as a Robocall. Received on March 25, 2026 at 3:48 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Middletown, PA

March 24, 2026 at 12:42 PM

301-388-5813 reported as a Text Message. Received on March 24, 2026 at 7:01 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Sterling Heights, MI

March 23, 2026 at 10:25 PM

reported as a Text Message. Received on March 23, 2026 at 5:05 PM.
Unwanted call for unknown
Caller ID indicated they called from 301-388-5710
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Gordonville, Texas

March 11, 2026 at 5:47 PM

301-388-5754 reported as a Robocall. Received on March 11, 2026 at 4:14 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Mcdonald, PA

February 28, 2026 at 3:25 PM

301-388-5785 reported as a Text Message. Received on February 28, 2026 at 3:00 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Bowie, Maryland

January 20, 2026 at 7:09 PM

301-388-4507 reported as a Robocall. Received on January 20, 2026 at 2:02 PM.

Anonymous User from Phoenix, Maryland

December 23, 2025 at 6:33 PM

301-388-7209 reported as a Robocall. Received on December 23, 2025 at 12:00 AM.
Call for Warranties & protection plans

Anonymous User from Silver Spring, Maryland

November 16, 2025 at 3:59 PM

301-388-6868 reported as a Robocall. Received on November 4, 2025 at 10:27 AM.
Call for Home improvement & cleaning

Anonymous User from Laurel, Maryland

September 23, 2025 at 4:06 PM

301-388-3491 reported as a Robocall. Received on September 23, 2025 at 4:02 PM.

Anonymous User from Beltsville, Maryland

September 11, 2025 at 11:47 AM

301-388-4178 reported as a Live Voice or Other. Received on September 8, 2025 at 3:35 PM.
Call for Dropped call or no message

Anonymous User from Beltsville, Maryland

September 11, 2025 at 11:43 AM

301-388-4178 reported as a Live Voice or Other. Received on September 8, 2025 at 3:36 PM.
Call for Dropped call or no message

Anonymous User from , MD

September 5, 2025 at 7:55 PM

301-388-5891 reported as a Robocall. Received on September 2, 2025 at 2:00 PM.
Call for Dropped call or no message

Anonymous User from Tampa, Maryland

July 3, 2025 at 6:35 PM

301-388-3497 reported as a Robocall. Received on July 3, 2025 at 10:01 AM.
Call for Medical & prescriptions

Anonymous User from Rockville, Maryland

June 16, 2025 at 2:30 PM

30138856254 reported as a Live Voice or Other. Received on June 16, 2025 at 10:28 AM.
Call for Charities

Anonymous User from , MD

May 20, 2025 at 1:41 PM

301-388-3734 reported as a Robocall. Received on May 20, 2025 at 1:38 PM.
Call for Medical & prescriptions

Anonymous User from Beltsville, Maryland

March 11, 2025 at 10:17 PM

301-388-9793 reported as a Live Voice or Other. Received on March 11, 2025 at 2:11 PM.
Call for Dropped call or no message

Anonymous User from Beltsville, Maryland

March 4, 2025 at 8:54 PM

301-388-7570 reported as a Live Voice or Other. Received on February 25, 2025 at 9:22 AM.

Anonymous User from Smithsburg, Maryland

February 17, 2025 at 10:52 AM

301-388-7280 reported as a Robocall. Received on February 17, 2025 at 10:50 AM.
Call for Medical & prescriptions

Anonymous User from , MD

February 6, 2025 at 11:07 AM

301-388-2347 reported as a Robocall. Received on January 30, 2025 at 5:35 PM.
Call for Dropped call or no message

Anonymous User from Melbourne, Maryland

January 30, 2025 at 10:15 AM

301-388-3935 reported as a Robocall. Received on January 28, 2025 at 6:16 PM.
Call for Medical & prescriptions

Anonymous User from Newmarket, New Hampshire

December 27, 2024 at 8:02 PM

301-388-5391 reported as a Robocall. Received on December 27, 2024 at 7:54 PM.

Anonymous User from Calverton, Maryland

November 30, 2024 at 9:56 PM

301-388-1234 reported as a Live Voice or Other. Received on November 25, 2024 at 2:27 PM.
Call for Dropped call or no message

Anonymous User from Dunkirk, Maryland

November 25, 2024 at 11:50 AM

301-388-9741 reported as a Robocall. Received on November 25, 2024 at 11:45 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Towson, MD

October 15, 2024 at 6:08 PM

301-388-5391 reported as a Live Voice. Received on October 15, 2024 at 1:51 PM.
Unwanted call for Home Improvement Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Baltimore, Maryland

October 4, 2024 at 6:54 PM

301-388-5391 reported as a Live Voice or Other. Received on October 4, 2024 at 1:52 PM.

Anonymous User from Silver Spring, Maryland

August 19, 2024 at 10:53 AM

301-388-3717 reported as a Robocall. Received on August 16, 2024 at 5:00 PM.

Anonymous User from Silver Spring, Maryland

July 2, 2024 at 10:53 AM

301-388-1506 reported as a Live Voice or Other. Received on July 2, 2024 at 10:15 AM.

Anonymous User from Potterville, Michigan

April 18, 2024 at 3:04 PM

301-388-6061 reported as a Live Voice or Other. Received on April 18, 2024 at 9:00 PM.

Anonymous User from Salisbury, Maryland

March 9, 2024 at 5:42 PM

301-388-5391 reported as a unwanted call. Received on March 9, 2024 at 5:25 PM.

Anonymous User from Salisbury, Maryland

March 9, 2024 at 5:39 PM

301-388-5391 reported as a Live Voice or Other. Received on March 9, 2024 at 4:17 AM.

Anonymous User from Rockville, Maryland

January 5, 2024 at 6:24 PM

301-388-9871 reported as a Live Voice or Other. Received on January 4, 2024 at 3:42 PM.
Call for Dropped call or no message

Anonymous User from , MD

December 22, 2023 at 8:00 PM

301-388-9332 reported as a Robocall. Received on December 22, 2023 at 7:50 PM.
Call for No Subject Provided

Anonymous User from Gaithersburg, Maryland

December 20, 2023 at 4:59 PM

301-388-8266 reported as a Live Voice or Other. Received on December 20, 2023 at 4:51 PM.
Call for Dropped call or no message

Anonymous User from Gaithersburg, Maryland

December 20, 2023 at 4:10 PM

301-388-8293 reported as a Robocall. Received on December 20, 2023 at 2:54 PM.

Anonymous User from Middletown, Delaware

December 14, 2023 at 3:08 PM

301-388-0803 reported as a Live Voice or Other. Received on December 14, 2023 at 1:26 PM.

Anonymous User from Bel Air, Maryland

November 23, 2023 at 10:14 PM

301-388-5631 reported as a Robocall. Received on November 21, 2023 at 7:42 PM.
Call for Dropped call or no message

Anonymous User from Rockville, Maryland

October 2, 2023 at 8:28 PM

301-388-5900 reported as a Live Voice or Other. Received on October 2, 2023 at 5:19 PM.
Call for Dropped call or no message

Anonymous User from , MD

July 28, 2023 at 9:58 AM

301-388-5900 reported as a Live Voice or Other. Received on July 23, 2023 at 9:00 AM.
Call for No Subject Provided

Anonymous User from Dunkirk, Maryland

July 19, 2023 at 6:41 PM

301-388-1768 reported as a Robocall. Received on July 18, 2023 at 12:03 PM.
Call for Dropped call or no message

Anonymous User from Washington Dc, District of Columbia

June 29, 2023 at 10:51 AM

301-388-8990 reported as a Live Voice or Other. Received on June 29, 2023 at 10:17 AM.

Anonymous User from Calverton, Maryland

June 14, 2023 at 3:18 PM

301-388-5900 reported as a Live Voice or Other. Received on June 13, 2023 at 8:57 AM.
Call for Dropped call or no message

Anonymous User from , MD

March 14, 2023 at 6:43 PM

301-388-9271 reported as a Robocall. Received on March 14, 2023 at 6:39 PM.
Call for Energy, solar, & utilities

Anonymous User from Rockville, Maryland

February 11, 2023 at 6:54 PM

301-388-4514 reported as a Live Voice or Other. Received on February 10, 2023 at 3:30 PM.
Call for Dropped call or no message

Anonymous User from Calverton, Maryland

February 1, 2023 at 12:32 PM

301-388-8714 reported as a Live Voice or Other. Received on January 30, 2023 at 10:04 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rockville, Maryland

December 28, 2022 at 8:15 PM

301-388-0505 reported as a Live Voice or Other. Received on December 28, 2022 at 12:06 PM.
Call for Dropped call or no message

Anonymous User from Silver Spring, Maryland

December 15, 2022 at 12:21 PM

301-388-2992 reported as a Live Voice or Other. Received on December 15, 2022 at 12:06 PM.

Anonymous User from Bethesda, Maryland

October 11, 2022 at 9:45 AM

301-388-7227 reported as a Robocall. Received on August 24, 2022 at 1:40 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MD

October 10, 2022 at 10:54 PM

301-388-5900 reported as a unwanted call. Received on October 10, 2022 at 1:11 PM.
Call for No Subject Provided

Anonymous User from Silver Spring, Maryland

October 4, 2022 at 11:50 AM

301-388-2160 reported as a Live Voice or Other. Received on October 4, 2022 at 11:41 AM.

Anonymous User from Silver Spring, Maryland

September 15, 2022 at 1:52 PM

301-388-0007 reported as a Live Voice or Other. Received on September 15, 2022 at 1:46 PM.

Anonymous User from Union, New Jersey

August 5, 2022 at 5:22 PM

301-388-5396 reported as a Robocall. Received on August 5, 2022 at 8:27 AM.
Call for Dropped call or no message

Anonymous User from Willingboro, New Jersey

August 5, 2022 at 10:58 AM

301-388-5396 reported as a unwanted call. Received on August 4, 2022 at 6:23 PM.

Anonymous User from Bethesda, Maryland

July 25, 2022 at 9:05 PM

301-388-3090 reported as a Robocall. Received on July 25, 2022 at 12:24 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Tacoma, WA

January 28, 2021 at 6:07 PM

301-388-5294 reported as a Abandoned Calls. Received on January 28, 2021 at 7:17 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Columbia, MD

October 19, 2020 at 9:25 PM

301-388-5129 reported as a Abandoned Calls. Received on October 19, 2020 at 5:20 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , SC

April 25, 2017 at 3:30 PM

None reported as a Prerecorded Voice. Received on April 25, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-388-5532
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

December 27, 2016 at 1:59 AM

None reported as a Abandoned Calls. Received on December 18, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-388-5286
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

March 3, 2016 at 9:36 PM

reported as a Abandoned Calls. Received on March 3, 2016 at 3:32 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-388-6676
Contacted via Wired

Anonymous User from , MD

February 27, 2016 at 5:17 PM

reported as a Abandoned Calls. Received on February 26, 2016 at 5:47 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-388-6676
Contacted via Wired

Anonymous User from , MD

February 17, 2016 at 11:57 PM

reported as a Live Voice. Received on February 16, 2016 at 3:56 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-388-6676
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

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301-388-1XXX: 301-388-1212 | 301-388-1233 | 301-388-1234 | 301-388-1236 | 301-388-1262 | 301-388-1500 | 301-388-1508 | 301-388-1509 | 301-388-1547 | 301-388-1700 | 301-388-1747 | 301-388-1762 | 301-388-1764 | 301-388-1767 | 301-388-1777 |
301-388-2XXX: 301-388-2000 | 301-388-2006 | 301-388-2019 | 301-388-2091 | 301-388-2096 | 301-388-2099 | 301-388-2163 | 301-388-2166 | 301-388-2169 | 301-388-2188 | 301-388-2197 | 301-388-2198 | 301-388-2200 | 301-388-2211 | 301-388-2214 | 301-388-2215 | 301-388-2233 | 301-388-2262 | 301-388-2300 | 301-388-2340 | 301-388-2345 | 301-388-2347 | 301-388-2362 | 301-388-2400 | 301-388-2447 | 301-388-2452 | 301-388-2454 | 301-388-2455 | 301-388-2478 | 301-388-2992 | 301-388-2995 | 301-388-2998 | 301-388-2999 |
301-388-3XXX: 301-388-3000 | 301-388-3011 | 301-388-3015 | 301-388-3091 | 301-388-3096 | 301-388-3099 | 301-388-3710 | 301-388-3711 | 301-388-3712 | 301-388-3776 | 301-388-3777 | 301-388-3778 | 301-388-3900 | 301-388-3906 | 301-388-3910 | 301-388-3911 | 301-388-3915 | 301-388-3998 |
301-388-4XXX: 301-388-4500 | 301-388-4508 | 301-388-4510 | 301-388-4511 | 301-388-4515 |
301-388-5XXX: 301-388-5100 | 301-388-5120 | 301-388-5123 | 301-388-5125 | 301-388-5200 | 301-388-5290 | 301-388-5297 | 301-388-5299 | 301-388-5300 | 301-388-5330 | 301-388-5390 | 301-388-5393 | 301-388-5399 | 301-388-5500 | 301-388-5531 | 301-388-5535 | 301-388-5536 | 301-388-5555 | 301-388-5577 | 301-388-5600 | 301-388-5606 | 301-388-5630 | 301-388-5631 | 301-388-5635 | 301-388-5660 | 301-388-5700 | 301-388-5707 | 301-388-5757 | 301-388-5780 | 301-388-5783 | 301-388-5787 | 301-388-5900 | 301-388-5901 | 301-388-5907 | 301-388-5937 | 301-388-5938 |
301-388-6XXX: 301-388-6000 | 301-388-6008 | 301-388-6060 | 301-388-6062 | 301-388-6069 | 301-388-6300 | 301-388-6303 | 301-388-6307 | 301-388-6370 | 301-388-6373 | 301-388-6375 | 301-388-6600 | 301-388-6656 | 301-388-6660 | 301-388-6670 | 301-388-6677 | 301-388-6678 |
301-388-7XXX: 301-388-7200 | 301-388-7220 | 301-388-7226 | 301-388-7227 | 301-388-7247 | 301-388-7258 | 301-388-7500 | 301-388-7507 | 301-388-7570 | 301-388-7575 | 301-388-7577 |
301-388-8XXX: 301-388-8100 | 301-388-8103 | 301-388-8109 | 301-388-8197 | 301-388-8200 | 301-388-8258 | 301-388-8260 | 301-388-8262 | 301-388-8265 | 301-388-8300 | 301-388-8303 | 301-388-8305 | 301-388-8307 | 301-388-8400 | 301-388-8404 | 301-388-8408 | 301-388-8450 | 301-388-8453 | 301-388-8455 | 301-388-8600 | 301-388-8601 | 301-388-8606 | 301-388-8670 | 301-388-8673 | 301-388-8675 | 301-388-8700 | 301-388-8701 | 301-388-8707 | 301-388-8710 | 301-388-8711 | 301-388-8717 | 301-388-8800 | 301-388-8850 | 301-388-8853 | 301-388-8855 | 301-388-8888 | 301-388-8899 | 301-388-8993 | 301-388-8995 | 301-388-8997 | 301-388-8998 |
301-388-9XXX: 301-388-9200 | 301-388-9270 | 301-388-9272 | 301-388-9277 | 301-388-9300 | 301-388-9303 | 301-388-9307 | 301-388-9330 | 301-388-9333 | 301-388-9339 | 301-388-9500 | 301-388-9550 | 301-388-9557 | 301-388-9559 | 301-388-9705 | 301-388-9706 | 301-388-9707 | 301-388-9797 | 301-388-9798 | 301-388-9799 | 301-388-9870 | 301-388-9874 | 301-388-9878 | 301-388-9883 | 301-388-9887 | 301-388-9889 | 301-388-9900 | 301-388-9944 | 301-388-9945 | 301-388-9947 | 301-388-9962 |