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301-399

You are reviewing the Area Code (NPA/NXX) report for 301-399. Did you mean to search the SMS short code 301399?

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Raw Number301399
Basic Format301-399
NPA (Area Code)301
NXX399

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityStateRegion
301-399-0XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-1XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-2XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-3XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-4XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-5XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-6XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-7XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-8XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-9XXX5562METROPCS, INC.WALDORFRTWALDORFMDMA
301-399-XXXX5562METROPCS, INC.WALDORFASWALDORFMD

Business/Government Phones on the 301-399 Prefix

PhoneNameAddress
301-399-6058K&M Electrical Services, Inc.
301-399-7045Booth Specialized Tree Services

Reports

Anonymous User from Lusby, Maryland

January 21, 2026 at 6:24 PM

301-399-5824 reported as a unwanted call. Received on January 21, 2026 at 4:49 PM.
Call for No Subject Provided

Anonymous User from Silver Spring, Maryland

November 15, 2025 at 4:44 PM

301-399-4824 reported as a Live Voice or Other. Received on October 27, 2025 at 6:33 PM.
Call for Home improvement & cleaning

Anonymous User from Smithsburg, Maryland

February 13, 2024 at 12:06 PM

301-399-4451 reported as a Robocall. Received on February 13, 2024 at 11:36 AM.
Call for Medical & prescriptions

Anonymous User from Silver Spring, Maryland

January 24, 2023 at 1:12 PM

301-399-6462 reported as a Live Voice or Other. Received on January 24, 2023 at 12:44 PM.

Anonymous User from , MD

December 9, 2022 at 9:30 AM

301-399-2503 reported as a unwanted call. Received on December 9, 2022 at 9:24 AM.

Anonymous User from Bethesda, Maryland

October 12, 2022 at 10:42 AM

301-399-1420 reported as a Robocall. Received on September 24, 2022 at 3:57 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rockville, Maryland

August 29, 2022 at 12:32 PM

301-399-6096 reported as a Robocall. Received on August 26, 2022 at 4:31 PM.
Call for Dropped call or no message

Anonymous User from Washington, DC

January 6, 2021 at 7:27 PM

301-399-1851 reported as a Live Voice. Received on January 6, 2021 at 1:02 AM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Newburg, MD

October 20, 2020 at 8:00 PM

301-399-6329 reported as a Prerecorded Voice. Received on October 20, 2020 at 10:33 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

301-399-0XXX: 301-399-0400 | 301-399-0401 | 301-399-0404 | 301-399-0450 | 301-399-0452 | 301-399-0453 | 301-399-0500 | 301-399-0502 | 301-399-0506 | 301-399-0520 | 301-399-0523 | 301-399-0525 |
301-399-1XXX: 301-399-1400 | 301-399-1409 | 301-399-1414 | 301-399-1422 | 301-399-1424 | 301-399-1429 | 301-399-1600 | 301-399-1608 | 301-399-1610 | 301-399-1615 | 301-399-1616 | 301-399-1647 | 301-399-1800 | 301-399-1852 | 301-399-1854 | 301-399-1855 | 301-399-1887 |
301-399-2XXX: 301-399-2121 | 301-399-2122 | 301-399-2125 | 301-399-2169 | 301-399-2188 | 301-399-2198 | 301-399-2200 | 301-399-2201 | 301-399-2203 | 301-399-2204 | 301-399-2206 | 301-399-2210 | 301-399-2211 | 301-399-2216 | 301-399-2500 | 301-399-2501 | 301-399-2507 | 301-399-2525 | 301-399-2562 | 301-399-2600 | 301-399-2650 | 301-399-2655 | 301-399-2657 | 301-399-2658 | 301-399-2659 | 301-399-2740 | 301-399-2745 | 301-399-2747 | 301-399-2758 | 301-399-2777 | 301-399-2778 | 301-399-2930 | 301-399-2933 | 301-399-2939 | 301-399-2992 | 301-399-2998 | 301-399-2999 |
301-399-3XXX: 301-399-3000 | 301-399-3010 | 301-399-3011 | 301-399-3020 | 301-399-3022 | 301-399-3024 | 301-399-3500 | 301-399-3520 | 301-399-3522 | 301-399-3525 | 301-399-3550 | 301-399-3600 | 301-399-3651 | 301-399-3655 | 301-399-3656 | 301-399-3900 | 301-399-3903 | 301-399-3930 | 301-399-3933 | 301-399-3939 | 301-399-3993 |
301-399-4XXX: 301-399-4000 | 301-399-4062 | 301-399-4070 | 301-399-4077 | 301-399-4078 | 301-399-4400 | 301-399-4404 | 301-399-4409 | 301-399-4430 | 301-399-4433 | 301-399-4434 | 301-399-4500 | 301-399-4508 | 301-399-4510 | 301-399-4511 | 301-399-4515 | 301-399-4600 | 301-399-4690 | 301-399-4695 | 301-399-4699 | 301-399-4800 | 301-399-4870 | 301-399-4875 | 301-399-4878 |
301-399-5XXX: 301-399-5700 | 301-399-5706 | 301-399-5707 | 301-399-5757 | 301-399-5938 | 301-399-5950 | 301-399-5955 | 301-399-5959 | 301-399-5982 | 301-399-5983 |
301-399-6XXX: 301-399-6000 | 301-399-6020 | 301-399-6050 | 301-399-6053 | 301-399-6054 | 301-399-6060 | 301-399-6112 | 301-399-6130 | 301-399-6131 | 301-399-6132 | 301-399-6161 | 301-399-6166 | 301-399-6310 | 301-399-6315 | 301-399-6322 | 301-399-6327 | 301-399-6329 | 301-399-6399 | 301-399-6404 | 301-399-6407 | 301-399-6409 | 301-399-6460 | 301-399-6464 | 301-399-6468 | 301-399-6500 | 301-399-6501 | 301-399-6509 | 301-399-6522 | 301-399-6526 | 301-399-6527 | 301-399-6560 | 301-399-6565 | 301-399-6567 | 301-399-6580 | 301-399-6600 | 301-399-6607 | 301-399-6652 | 301-399-6690 | 301-399-6694 | 301-399-6699 |
301-399-7XXX: 301-399-7000 | 301-399-7040 | 301-399-7045 | 301-399-7047 | 301-399-7070 | 301-399-7500 | 301-399-7526 | 301-399-7527 | 301-399-7580 | 301-399-7583 | 301-399-7589 |
301-399-8XXX: 301-399-8000 | 301-399-8009 | 301-399-8060 | 301-399-8062 | 301-399-8069 | 301-399-8080 | 301-399-8300 | 301-399-8303 | 301-399-8307 | 301-399-8360 | 301-399-8363 | 301-399-8365 | 301-399-8500 | 301-399-8501 | 301-399-8507 | 301-399-8558 |
301-399-9XXX: 301-399-9200 | 301-399-9260 | 301-399-9262 | 301-399-9265 | 301-399-9300 | 301-399-9303 | 301-399-9309 | 301-399-9380 | 301-399-9383 | 301-399-9385 | 301-399-9440 | 301-399-9450 | 301-399-9453 | 301-399-9455 | 301-399-9610 | 301-399-9611 | 301-399-9615 | 301-399-9900 | 301-399-9962 | 301-399-9983 | 301-399-9986 | 301-399-9988 | 301-399-9999 |