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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 571-313 | VA | COMCAST IP PHONE, LLC (Comcast Corporation) | N/A | 318J | HERNDON | ARTNVAARXDY | 09/18/2006 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: ARTNVAARXDY)) 🕘 Prefix History 🔎 Explore Carrier Information |