You are reviewing the Area Code (NPA/NXX) report for 301-433. Did you mean to search the SMS short code 301433?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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301-433-0XXX | 9212 | VERIZON MARYLAND, INC. | WSHNGTNZN5 | RT | | WASHINGTON ZONE 5 | MD | MA | |
301-433-1XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN5 | AS | 12/13/2007 | WASHINGTON ZONE 5 | MD | MA | 01/12/2008 |
301-433-2XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN5 | AS | 05/19/2008 | WASHINGTON ZONE 5 | MD | MA | 06/16/2008 |
301-433-3XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN5 | AS | 05/19/2008 | WASHINGTON ZONE 5 | MD | MA | 06/16/2008 |
301-433-4XXX | 281E | YMAX COMMUNICATIONS CORP. - MD | WSHNGTNZN5 | AS | 09/24/2008 | WASHINGTON ZONE 5 | MD | MA | 10/10/2008 |
301-433-5XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN5 | AS | 03/14/2008 | WASHINGTON ZONE 5 | MD | MA | 04/13/2008 |
301-433-6XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | WSHNGTNZN5 | AS | 04/11/2019 | WASHINGTON ZONE 5 | MD | MA | 04/29/2019 |
301-433-7XXX | 876D | ONVOY, LLC - MD | WSHNGTNZN5 | AS | 05/28/2015 | WASHINGTON ZONE 5 | MD | MA | 06/27/2015 |
301-433-8XXX | 318J | COMCAST IP PHONE, LLC | WSHNGTNZN5 | AS | 07/30/2015 | WASHINGTON ZONE 5 | MD | MA | 08/17/2015 |
301-433-9XXX | 5562 | METROPCS, INC. | WSHNGTNZN5 | AS | 11/05/2019 | WASHINGTON ZONE 5 | MD | MA | 11/29/2019 |
301-433-XXXX | 9212 | VERIZON MARYLAND, INC. | WSHNGTNZN5 | AS | | WASHINGTON ZONE 5 | MD | | |
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