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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 605-844 | SD | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | CLARK | SXFLSDCONMD | 10/20/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: South Dakota (640) Tandem: N/A Detailed Switch Info |
| Thousands block for 605-844 | |||||||
| 605-844-9 | SD | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | CLARK | SXFLSDCONMD | 10/26/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: South Dakota (640) Tandem: N/A Detailed Switch Info |