You are reviewing the Area Code (NPA/NXX) report for 443-300. Did you mean to search the SMS short code 443300?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
---|
443-300-0XXX | 876D | ONVOY, LLC - MD | SYKESVILLE | AS | 06/16/2021 | SYKESVILLE | MD | MA | 07/12/2021 |
443-300-1XXX | 876D | ONVOY, LLC - MD | SYKESVILLE | AS | 03/31/2021 | SYKESVILLE | MD | MA | 04/29/2021 |
443-300-2XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | SYKESVILLE | RT | | SYKESVILLE | MD | MA | |
443-300-3XXX | 7228 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | SYKESVILLE | AS | 09/11/2008 | SYKESVILLE | MD | MA | 10/01/2008 |
443-300-4XXX | 624H | ONVOY SPECTRUM, LLC | SYKESVILLE | AS | 05/27/2021 | SYKESVILLE | MD | MA | 06/26/2021 |
443-300-5XXX | 506J | TWILIO INTERNATIONAL, INC. | SYKESVILLE | AS | 12/01/2020 | SYKESVILLE | MD | MA | 12/26/2020 |
443-300-6XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | SYKESVILLE | AS | 01/26/2010 | SYKESVILLE | MD | MA | 02/25/2010 |
443-300-7XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | SYKESVILLE | AS | 08/04/2010 | SYKESVILLE | MD | MA | 09/03/2010 |
443-300-8XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | SYKESVILLE | AS | 09/28/2010 | SYKESVILLE | MD | MA | 10/28/2010 |
443-300-9XXX | 876D | ONVOY, LLC - MD | SYKESVILLE | AS | 06/16/2021 | SYKESVILLE | MD | MA | 07/12/2021 |
443-300-XXXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | SYKESVILLE | AS | | SYKESVILLE | MD | | |
Reports
Anonymous User from Baltimore, MD
April 24, 2024 at 2:40 PM
Anonymous User from Odenton, Maryland
April 23, 2024 at 5:34 PM
Anonymous User from Odenton, Maryland
April 23, 2024 at 5:33 PM
Anonymous User from , MD
April 12, 2024 at 3:32 PM
Anonymous User from Severn, Maryland
April 11, 2024 at 6:52 PM
Anonymous User from Severn, Maryland
April 11, 2024 at 6:40 PM
Anonymous User from Severn, Maryland
April 11, 2024 at 6:34 PM
Anonymous User from Severn, Maryland
April 11, 2024 at 6:31 PM
Anonymous User from Baltimore, Maryland
March 23, 2024 at 12:27 AM
Anonymous User from Severna Park, Maryland
March 20, 2024 at 11:25 AM
Anonymous User from Towson, MD
March 16, 2024 at 4:37 PM
Anonymous User from , MD
March 15, 2024 at 10:09 AM
Anonymous User from Severna Park, Maryland
March 1, 2024 at 3:25 PM
Anonymous User from Provo, Utah
February 28, 2024 at 11:40 AM
Anonymous User from , MD
February 24, 2024 at 3:54 PM
Anonymous User from Tucson, Arizona
February 24, 2024 at 9:53 AM
Anonymous User from Halethorpe, Maryland
February 21, 2024 at 4:31 PM
Anonymous User from Bel Air, Maryland
February 20, 2024 at 8:23 PM
Anonymous User from , CO
February 15, 2024 at 4:30 PM
Anonymous User from , MD
January 10, 2024 at 4:54 PM
Anonymous User from Baltimore, Maryland
December 18, 2023 at 10:20 AM
Anonymous User from Baltimore, Maryland
December 16, 2023 at 4:35 PM
Anonymous User from San Diego, Maryland
December 4, 2023 at 3:03 PM
Anonymous User from Upper Marlboro, Maryland
November 27, 2023 at 11:28 AM
Anonymous User from Pikesville, Maryland
November 17, 2023 at 8:00 PM
Anonymous User from Annapolis, Maryland
November 8, 2023 at 2:05 PM
Anonymous User from Phoenix, Maryland
October 31, 2023 at 12:24 PM
Anonymous User from , MD
October 23, 2023 at 11:00 AM
Anonymous User from , AL
October 14, 2023 at 11:02 AM
Anonymous User from Calverton, Maryland
September 28, 2023 at 10:35 PM
Anonymous User from , IL
September 22, 2023 at 4:23 PM
Anonymous User from Rockville, Maryland
September 21, 2023 at 2:27 PM
Anonymous User from Rockville, Maryland
September 20, 2023 at 2:37 PM
Anonymous User from Silver Spring, Maryland
September 20, 2023 at 2:23 PM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 11:40 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 11:39 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:37 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:36 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:34 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:31 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:24 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:17 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:15 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:13 AM
Anonymous User from Myrtle Beach, Maryland
September 13, 2023 at 12:09 AM
Anonymous User from Myrtle Beach, Maryland
September 13, 2023 at 12:05 AM
Anonymous User from Myrtle Beach, South Carolina
September 13, 2023 at 12:04 AM
Anonymous User from Newark, Maryland
September 11, 2023 at 2:45 PM
Anonymous User from Newark, Maryland
September 11, 2023 at 2:44 PM
Anonymous User from Calverton, Maryland
September 9, 2023 at 8:11 AM
Anonymous User from Herndon, Virginia
September 8, 2023 at 6:56 PM
Anonymous User from Lutherville-timonium, Maryland
September 8, 2023 at 5:42 PM
Anonymous User from , MD
September 8, 2023 at 4:33 PM
Anonymous User from Timonium, Maryland
September 8, 2023 at 8:38 AM
Anonymous User from Halethorpe, Maryland
September 7, 2023 at 6:06 PM
Anonymous User from Baltimore, MD
September 6, 2023 at 5:58 PM
Anonymous User from , MD
September 6, 2023 at 12:43 PM
Anonymous User from , MD
September 4, 2023 at 10:34 PM
Anonymous User from , MD
September 1, 2023 at 9:18 PM
Anonymous User from Owings Mills, Maryland
September 1, 2023 at 1:08 PM
Anonymous User from , MD
August 31, 2023 at 3:27 PM
Anonymous User from , MD
August 27, 2023 at 11:22 AM
Anonymous User from , CA
August 26, 2023 at 4:39 PM
Anonymous User from , PA
August 25, 2023 at 3:37 PM
Anonymous User from Woodbine, Maryland
August 9, 2023 at 3:11 PM
Anonymous User from Inglewood, California
August 1, 2023 at 7:56 PM
Anonymous User from , IL
July 7, 2023 at 10:30 AM
Anonymous User from , OH
June 30, 2023 at 11:53 AM
Anonymous User from Chevy Chase, Maryland
June 2, 2023 at 10:47 AM
Anonymous User from , MD
May 30, 2023 at 8:37 PM
Anonymous User from Long Island City, New York
May 3, 2023 at 12:09 PM
Anonymous User from , MD
April 6, 2023 at 12:59 PM
Anonymous User from , MD
April 2, 2023 at 10:09 AM
Anonymous User from , MD
April 2, 2023 at 10:08 AM
Anonymous User from Fort Wash, Maryland
March 27, 2023 at 8:53 PM
Anonymous User from Fort Wash, Maryland
March 27, 2023 at 8:51 PM
Anonymous User from Fort Wash, Maryland
March 23, 2023 at 7:34 PM
Anonymous User from Fort Wash, Maryland
March 23, 2023 at 7:33 PM
Anonymous User from Fort Wash, Maryland
March 21, 2023 at 7:54 PM
Anonymous User from Fort Wash, Maryland
March 21, 2023 at 7:33 PM
Anonymous User from Tucker, Florida
March 21, 2023 at 10:07 AM
Anonymous User from Takoma Park, Maryland
March 16, 2023 at 9:07 PM
Anonymous User from Glen Burnie, Maryland
February 25, 2023 at 12:01 PM
Anonymous User from , MD
February 15, 2023 at 11:44 PM
Anonymous User from Reisterstown, Maryland
February 14, 2023 at 11:09 AM
Anonymous User from Parkersburg, West Virginia
February 12, 2023 at 8:27 PM
Anonymous User from Silver Spring, Maryland
February 7, 2023 at 6:08 PM
Anonymous User from , NY
February 6, 2023 at 10:34 AM
Anonymous User from , HI
January 7, 2023 at 9:09 PM
Anonymous User from , MD
December 22, 2022 at 7:46 PM
Anonymous User from Waldorf, Maryland
December 16, 2022 at 5:01 PM
Anonymous User from Dundalk, MD
December 15, 2022 at 5:36 PM
Anonymous User from Perryville, Maryland
November 15, 2022 at 2:50 PM
Anonymous User from Finksburg, Maryland
November 14, 2022 at 4:45 PM
Anonymous User from , MI
November 11, 2022 at 10:53 AM
Anonymous User from El Prado, New Mexico
November 4, 2022 at 12:54 PM
Anonymous User from Md - Aberdeen, Maryland
November 2, 2022 at 4:52 PM
Anonymous User from Dundalk, MD
September 21, 2022 at 11:51 PM
Anonymous User from , MD
September 20, 2022 at 2:14 PM
Anonymous User from , MD
September 14, 2022 at 1:32 PM
Anonymous User from Bel Air, Maryland
September 12, 2022 at 9:35 PM
Anonymous User from Bel Air, Maryland
September 12, 2022 at 9:35 PM
Anonymous User from Bel Air, Maryland
September 12, 2022 at 9:34 PM
Anonymous User from Bel Air, Maryland
September 12, 2022 at 9:34 PM
Anonymous User from Bel Air, Maryland
September 12, 2022 at 9:34 PM
Anonymous User from Washington, DC
May 13, 2022 at 11:17 PM
Anonymous User from Sharpsburg, MD
December 8, 2021 at 1:42 AM
Anonymous User from Edgewater, MD
September 1, 2021 at 3:48 PM
Anonymous User from Avon, IN
August 27, 2021 at 12:55 PM
Anonymous User from Reardan, WA
August 23, 2021 at 11:08 PM
Anonymous User from , MD
April 19, 2017 at 10:50 PM