You are reviewing the Area Code (NPA/NXX) report for 503-400. Did you mean to search the SMS short code 503400?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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503-400-0XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | SALEM | AS | 04/23/2008 | SALEM | OR | WE | 05/23/2008 |
503-400-1XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | SALEM | AS | 04/23/2008 | SALEM | OR | WE | 06/23/2008 |
503-400-2XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | SALEM | AS | 04/23/2008 | SALEM | OR | WE | 07/23/2008 |
503-400-3XXX | 750E | ONVOY, LLC - OR | SALEM | AS | 05/28/2008 | SALEM | OR | WE | 06/27/2008 |
503-400-4XXX | 5820 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | SALEM | AS | 08/13/2014 | SALEM | OR | WE | 10/02/2014 |
503-400-5XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | SALEM | AS | 07/29/2014 | SALEM | OR | WE | 10/02/2014 |
503-400-6XXX | 3234 | LEVEL 3 COMMUNICATIONS, LLC - OR | SALEM | AS | 07/07/2008 | SALEM | OR | WE | 07/17/2008 |
503-400-7XXX | 3234 | LEVEL 3 COMMUNICATIONS, LLC - OR | SALEM | AS | 07/07/2008 | SALEM | OR | WE | 07/17/2008 |
503-400-8XXX | 6529 | T-MOBILE USA, INC. | SALEM | AS | 06/06/2008 | SALEM | OR | WE | 07/06/2008 |
503-400-9XXX | 6529 | T-MOBILE USA, INC. | SALEM | AS | 02/13/2008 | SALEM | OR | WE | 03/14/2008 |
503-400-XXXX | 3234 | LEVEL 3 COMMUNICATIONS, LLC - OR | SALEM | AS | 05/10/2007 | SALEM | OR | | |
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