You are reviewing the Area Code (NPA/NXX) report for 301-256. Did you mean to search the SMS short code 301256?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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301-256-0XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | LAUREL236 | AS | 11/06/2007 | LAUREL 236 | MD | MA | 11/16/2007 |
301-256-1XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | LAUREL236 | AS | 06/14/2010 | LAUREL 236 | MD | MA | 07/12/2010 |
301-256-2XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | LAUREL236 | AS | 06/14/2010 | LAUREL 236 | MD | MA | 07/12/2010 |
301-256-3XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | LAUREL236 | RT | | LAUREL 236 | MD | MA | |
301-256-4XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 12/10/2004 | LAUREL 236 | MD | MA | 01/08/2005 |
301-256-5XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 10/14/2004 | LAUREL 236 | MD | MA | 11/06/2004 |
301-256-6XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | LAUREL236 | AS | 02/11/2010 | LAUREL 236 | MD | MA | 03/07/2010 |
301-256-7XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 04/29/2005 | LAUREL 236 | MD | MA | 05/27/2005 |
301-256-8XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 06/20/2005 | LAUREL 236 | MD | MA | 07/15/2005 |
301-256-9XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | LAUREL236 | RT | | LAUREL 236 | MD | MA | |
301-256-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | LAUREL236 | AS | | LAUREL 236 | MD | | |
Reports
Anonymous User from Rockville, Maryland
August 17, 2023 at 4:54 PM
Anonymous User from Gaithersburg, Maryland
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Anonymous User from College Park, Maryland
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Anonymous User from , MD
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Anonymous User from Rockville, Maryland
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Anonymous User from Fort Washington, Maryland
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Anonymous User from Olney, Maryland
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