You are reviewing the Area Code (NPA/NXX) report for 312-428. Did you mean to search the SMS short code 312428?
The area code you entered, 312, overlaps with the DSN network for the Continental United States and Puerto Rico under Northern Command (NORTHCOM), though it could also be part of standard civilian phone numbers.
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
---|
312-428-0XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | AS | 10/07/2008 | CHICAGO ZONE 1 | IL | MW | 01/06/2009 |
312-428-1XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | AS | 10/07/2008 | CHICAGO ZONE 1 | IL | MW | 01/06/2009 |
312-428-2XXX | 7765 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | CHICGOZN01 | AS | 10/13/2009 | CHICAGO ZONE 1 | IL | MW | 10/23/2009 |
312-428-3XXX | 7056 | XO ILLINOIS, INC. | CHICGOZN01 | AS | 01/15/2010 | CHICAGO ZONE 1 | IL | MW | 02/14/2010 |
312-428-4XXX | 6115 | LEVEL 3 COMMUNICATIONS, LLC - IL | CHICGOZN01 | AS | 05/11/2004 | CHICAGO ZONE 1 | IL | MW | 06/07/2004 |
312-428-5XXX | 259E | YMAX COMMUNICATIONS CORP. - IL | CHICGOZN01 | AS | 08/11/2009 | CHICAGO ZONE 1 | IL | MW | 09/04/2009 |
312-428-6XXX | 259E | YMAX COMMUNICATIONS CORP. - IL | CHICGOZN01 | AS | 08/11/2009 | CHICAGO ZONE 1 | IL | MW | 09/04/2009 |
312-428-7XXX | 259E | YMAX COMMUNICATIONS CORP. - IL | CHICGOZN01 | AS | 08/11/2009 | CHICAGO ZONE 1 | IL | MW | 09/04/2009 |
312-428-8XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHICGOZN01 | AS | 10/07/2008 | CHICAGO ZONE 1 | IL | MW | 01/06/2009 |
312-428-9XXX | 259E | YMAX COMMUNICATIONS CORP. - IL | CHICGOZN01 | AS | 08/11/2009 | CHICAGO ZONE 1 | IL | MW | 09/04/2009 |
312-428-XXXX | 6115 | LEVEL 3 COMMUNICATIONS, LLC - IL | CHICGOZN01 | AS | | CHICAGO ZONE 1 | IL | | |
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