You are reviewing the Area Code (NPA/NXX) report for 301-531. Did you mean to search the SMS short code 301531?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
---|
301-531-0XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN4 | AS | 02/24/2012 | WASHINGTON ZONE 4 | MD | MA | 03/25/2012 |
301-531-1XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-2XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-3XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-4XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | WSHNGTNZN4 | AS | 01/26/2010 | WASHINGTON ZONE 4 | MD | MA | 02/22/2010 |
301-531-5XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | WSHNGTNZN4 | AS | 01/26/2010 | WASHINGTON ZONE 4 | MD | MA | 02/22/2010 |
301-531-6XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-7XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-8XXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | RT | | WASHINGTON ZONE 4 | MD | MA | |
301-531-9XXX | 1958 | ATX TELECOMMUNICATIONS SERVICES, LTD. | WSHNGTNZN4 | AS | 03/12/2003 | WASHINGTON ZONE 4 | MD | MA | 04/06/2003 |
301-531-XXXX | 8832 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN4 | AS | | WASHINGTON ZONE 4 | MD | | |
Reports
Anonymous User from , MD
November 2, 2023 at 3:41 PM
Anonymous User from , MD
October 25, 2023 at 6:13 PM
Anonymous User from Bethesda, Maryland
September 6, 2023 at 9:26 AM
Anonymous User from Silver Spring, Maryland
June 30, 2023 at 1:53 PM
Anonymous User from Weaverville, North Carolina
May 2, 2023 at 10:25 AM
Anonymous User from , MD
November 16, 2022 at 4:49 PM
Anonymous User from Derwood, Maryland
June 9, 2022 at 2:23 PM
Anonymous User from Silver Spring, Maryland
June 4, 2022 at 12:57 PM