301-623

You are reviewing the Area Code (NPA/NXX) report for 301-623. Did you mean to search the SMS short code 301623?

Lookup Phone Number

Raw Number301623
Basic Format301-623
NPA (Area Code)301
NXX623

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
301-623-0XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13RTWASHINGTON 236 ZONE 13MDMA
301-623-1XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13RTWASHINGTON 236 ZONE 13MDMA
301-623-2XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13RTWASHINGTON 236 ZONE 13MDMA
301-623-3XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13RTWASHINGTON 236 ZONE 13MDMA
301-623-4XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13RTWASHINGTON 236 ZONE 13MDMA
301-623-5XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z13AS04/11/2019WASHINGTON 236 ZONE 13MDMA04/29/2019
301-623-6XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z13AS04/11/2019WASHINGTON 236 ZONE 13MDMA04/29/2019
301-623-7XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z13AS04/11/2019WASHINGTON 236 ZONE 13MDMA04/29/2019
301-623-8XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z13AS03/28/2019WASHINGTON 236 ZONE 13MDMA04/15/2019
301-623-9XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z13AS03/28/2019WASHINGTON 236 ZONE 13MDMA04/15/2019
301-623-XXXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z13AS WASHINGTON 236 ZONE 13MD
Most 'popular' numbers on this prefix:

301-623-2XXX: 301-623-2000 | 301-623-2003 | 301-623-2005 | 301-623-2006 | 301-623-2097 | 301-623-2098 | 301-623-2099 |

Reports

Anonymous User from Gaithersburg, Maryland

May 17, 2023 at 8:04 PM

301-623-2173 reported as a Robocall. Received on May 17, 2023 at 7:41 PM.
Call for Energy, solar, & utilities

Anonymous User from Greenbelt, Maryland

February 26, 2023 at 9:51 AM

301-623-1211 reported as a Robocall. Received on February 6, 2023 at 8:44 AM.
Call for Medical & prescriptions

Anonymous User from Greenbelt, Maryland

February 26, 2023 at 9:51 AM

301-623-6221 reported as a Robocall. Received on February 6, 2023 at 11:23 AM.
Call for Medical & prescriptions

Anonymous User from Greenbelt, Maryland

February 26, 2023 at 9:50 AM

301-623-4914 reported as a Robocall. Received on January 13, 2023 at 10:35 AM.
Call for Medical & prescriptions

Anonymous User from Fairfax, Virginia

February 1, 2023 at 4:25 PM

301-623-1855 reported as a Robocall. Received on February 1, 2023 at 2:45 PM.

Anonymous User from College Park, Maryland

January 14, 2023 at 12:16 PM

301-623-2709 reported as a Robocall. Received on January 14, 2023 at 12:03 AM.
Call for Medical & prescriptions

Anonymous User from , WA

December 22, 2022 at 10:30 AM

301-623-1427 reported as a Live Voice or Other. Received on December 22, 2022 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Washington, DC

December 5, 2022 at 5:35 PM

301-623-7037 reported as a Prerecorded Voice. Received on December 5, 2022 at 12:30 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Silver Spring, Maryland

September 29, 2022 at 9:24 AM

301-623-0082 reported as a Live Voice or Other. Received on September 29, 2022 at 9:16 AM.
Call for Energy, solar, & utilities

Anonymous User from , MD

September 14, 2022 at 2:16 PM

301-623-7574 reported as a Live Voice or Other. Received on September 14, 2022 at 2:12 PM.
Call for Home improvement & cleaning

Anonymous User from Cleveland, Maryland

August 12, 2022 at 1:49 PM

301-623-3356 reported as a Robocall. Received on August 11, 2022 at 3:42 PM.

Anonymous User from Cleveland, Ohio

August 11, 2022 at 3:45 PM

301-623-3356 reported as a Live Voice or Other. Received on August 11, 2022 at 3:42 PM.

Anonymous User from , MD

August 23, 2016 at 3:40 PM

reported as a Abandoned Calls. Received on August 23, 2016 at 10:17 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-623-1016
Contacted via Wireless (cell phone/other mobile device)

Business/Government Phones on the 301-623 Prefix

PhoneNameAddress
301-623-4000Protection One Alarm Monitoring, Inc
301-623-4000Protection One Alarm Monitoring, Inc