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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 806-640 | TX | SOUTHWESTERN BELL | 9533 | AMARILLO | AMRLTX02CGO | 06/28/2001 | Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| Thousands block for 806-640 | |||||||
| 806-640-0 | TX | SOUTHWESTERN BELL | 9533 | AMARILLO | AMRLTX02CGO | N/A | Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-1 | TX | METROPCS, INC. (T-Mobile US, Inc) | 5562 | AMARILLO | NOCLLIKNOWN | 10/22/2019 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-2 | TX | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | AMARILLO | NOCLLIKNOWN | 12/07/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-3 | TX | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | AMARILLO | NOCLLIKNOWN | 12/07/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-4 | TX | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | AMARILLO | NOCLLIKNOWN | 12/07/2006 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-5 | TX | SOUTHWESTERN BELL | 9533 | AMARILLO | AMRLTX02CGO | N/A | Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-6 | TX | SOUTHWESTERN BELL | 9533 | AMARILLO | AMRLTX02CGO | N/A | Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-7 | TX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless) | 6506 | AMARILLO | NOCLLIKNOWN | 01/11/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-8 | TX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless) | 6506 | AMARILLO | NOCLLIKNOWN | 01/11/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |
| 806-640-9 | TX | METROPCS, INC. (T-Mobile US, Inc) | 5562 | AMARILLO | NOCLLIKNOWN | 09/18/2017 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Amarillo TX (546) Tandem: N/A Detailed Switch Info |