You are reviewing the Area Code (NPA/NXX) report for 443-274. Did you mean to search the SMS short code 443274?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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443-274-0XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | SEVERN | AS | 02/14/2008 | SEVERN | MD | MA | 02/27/2008 |
443-274-1XXX | 4716 | PAETEC COMMUNICATIONS, INC. - MD | SEVERN | AS | 09/29/2005 | SEVERN | MD | MA | 10/17/2005 |
443-274-2XXX | 318J | COMCAST IP PHONE, LLC | SEVERN | AS | 09/10/2007 | SEVERN | MD | MA | 09/20/2007 |
443-274-3XXX | 7228 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | SEVERN | AS | 09/11/2008 | SEVERN | MD | MA | 10/01/2008 |
443-274-4XXX | 876D | ONVOY, LLC - MD | SEVERN | AS | 02/06/2012 | SEVERN | MD | MA | 02/29/2012 |
443-274-5XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | SEVERN | AS | 03/25/2013 | SEVERN | MD | MA | 04/22/2013 |
443-274-6XXX | 5966 | LIGHTWAVE COMMUNICATIONS, LLC - MD | SEVERN | AS | 06/08/2005 | SEVERN | MD | MA | 07/04/2005 |
443-274-7XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | SEVERN | AS | 03/25/2013 | SEVERN | MD | MA | 04/22/2013 |
443-274-8XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SEVERN | AS | 04/06/2016 | SEVERN | MD | MA | 04/18/2016 |
443-274-9XXX | 9212 | VERIZON MARYLAND, INC. | SEVERN | RT | | SEVERN | MD | MA | |
443-274-XXXX | 9212 | VERIZON MARYLAND, INC. | SEVERN | AS | | SEVERN | MD | | |
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