You are reviewing the Area Code (NPA/NXX) report for 443-320. Did you mean to search the SMS short code 443320?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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443-320-0XXX | 6050 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-1XXX | 6050 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-2XXX | 6050 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-3XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE | AS | 11/04/2004 | BALTIMORE | MD | MA | 12/03/2004 |
443-320-4XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-5XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-6XXX | 876D | ONVOY, LLC - MD | BALTIMORE | AS | 12/08/2023 | BALTIMORE | MD | MA | 01/06/2024 |
443-320-7XXX | 2589 | US LEC OF MARYLAND, INC. | BALTIMORE | AS | 03/01/2012 | BALTIMORE | MD | MA | 03/13/2012 |
443-320-8XXX | 876D | ONVOY, LLC - MD | BALTIMORE | AS | 12/08/2023 | BALTIMORE | MD | MA | 01/06/2024 |
443-320-9XXX | 6050 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE | RT | | BALTIMORE | MD | MA | |
443-320-XXXX | 6050 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE | AS | | BALTIMORE | MD | | |
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