You are reviewing the Area Code (NPA/NXX) report for 301-579. Did you mean to search the SMS short code 301579?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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301-579-0XXX | 568G | PEERLESS NETWORK OF MARYLAND, LLC | BRANDYWINE | AS | 11/18/2019 | BRANDYWINE | MD | MA | 12/16/2019 |
301-579-1XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | BRANDYWINE | AS | 04/11/2019 | BRANDYWINE | MD | MA | 04/29/2019 |
301-579-2XXX | 9212 | VERIZON MARYLAND, INC. | BRANDYWINE | RT | | BRANDYWINE | MD | MA | |
301-579-3XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | BRANDYWINE | AS | 12/20/2004 | BRANDYWINE | MD | MA | 01/04/2005 |
301-579-4XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | BRANDYWINE | AS | 02/28/2003 | BRANDYWINE | MD | MA | 03/24/2003 |
301-579-5XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | BRANDYWINE | AS | 12/01/2004 | BRANDYWINE | MD | MA | 12/13/2004 |
301-579-6XXX | 9212 | VERIZON MARYLAND, INC. | BRANDYWINE | RT | | BRANDYWINE | MD | MA | |
301-579-7XXX | 876D | ONVOY, LLC - MD | BRANDYWINE | AS | 02/03/2016 | BRANDYWINE | MD | MA | 03/03/2016 |
301-579-8XXX | 876D | ONVOY, LLC - MD | BRANDYWINE | AS | 02/03/2016 | BRANDYWINE | MD | MA | 03/03/2016 |
301-579-9XXX | 9212 | VERIZON MARYLAND, INC. | BRANDYWINE | RT | | BRANDYWINE | MD | MA | |
301-579-XXXX | 9212 | VERIZON MARYLAND, INC. | BRANDYWINE | AS | | BRANDYWINE | MD | | |
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