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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 509-237 | WA | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 6010 | EPHRATA | MLWDWAAA2MD | 03/25/2002 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 509-289 | WA | T-MOBILE USA, INC. (T-Mobile US, Inc) | 6529 | EPHRATA | MSLKWA010MD | 00/00/0000 | Prefix Type: PCS Switch Name: MOSES LAKE Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 509-398 | WA | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 6010 | EPHRATA | MLWDWAAA2MD | 04/04/2002 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 509-450 | WA | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 6010 | EPHRATA | MLWDWAAA2MD | 07/02/2020 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 509-717 | WA | COMPUTERS 5*, INC. DBA LOCALTEL - WA | 3229 | EPHRATA | WNTCWABADS0 | 07/17/2001 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 509-754 | WA | QWEST CORPORATION | 9638 | EPHRATA | EPHRWA01DS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: EPHRATA Switch Type: Northern Telecom DMS10 (Digital) LATA: N/A Tandem: SPKNWA01C9T Detailed Switch Info |
| 509-906 | WA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA (Verizon Wireless) | 5812 | EPHRATA | SPKNWA01XDY | 01/17/2018 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |