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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 804-390 | VA | ONVOY, LLC - VA (Sinch) | 138E | CALLAO | RCMDVAITX0X | 09/02/2016 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 804-529 | VA | VERIZON SOUTH, INC. - VA (CONTEL) (Frontier) | 0233 | CALLAO | CALLVAXARS0 | 00/00/0000 | Prefix Type: ICO Switch Name: CALLAO Switch Type: NTDMSRSC LATA: N/A Tandem: N/A Detailed Switch Info |
| 804-587 | VA | LEVEL 3 COMMUNICATIONS, LLC - VA (Lumen Technologies, Inc) | 8825 | CALLAO | RCHNVAKQ6MD | 05/06/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 804-810 | VA | DISH WIRELESS, LLC | 490J | CALLAO | RCMEVABA0MD | 08/09/2022 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
