You are reviewing the Area Code (NPA/NXX) report for 503-290. Did you mean to search the SMS short code 503290?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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503-290-0XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | RT | | PORTLAND | OR | WE | |
503-290-1XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | RT | | PORTLAND | OR | WE | |
503-290-2XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | RT | | PORTLAND | OR | WE | |
503-290-3XXX | 7172 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | PORTLAND | AS | 05/02/2007 | PORTLAND | OR | WE | 05/14/2007 |
503-290-4XXX | 6529 | T-MOBILE USA, INC. | PORTLAND | AS | 06/10/2004 | PORTLAND | OR | WE | 07/10/2004 |
503-290-5XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | RT | | PORTLAND | OR | WE | |
503-290-6XXX | 6529 | T-MOBILE USA, INC. | PORTLAND | AS | 06/10/2004 | PORTLAND | OR | WE | 07/10/2004 |
503-290-7XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | RT | | PORTLAND | OR | WE | |
503-290-8XXX | 6529 | T-MOBILE USA, INC. | PORTLAND | AS | 10/31/2003 | PORTLAND | OR | WE | 11/26/2003 |
503-290-9XXX | 6529 | T-MOBILE USA, INC. | PORTLAND | AS | 05/25/2006 | PORTLAND | OR | WE | 06/24/2006 |
503-290-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | PORTLAND | AS | | PORTLAND | OR | | |
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