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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 303-822 | CO | BIJOU TEL. COOP. ASSN., INC. (BIJOU TEL. COOP. ASSN., INC.) | 0003754652 | RMD0003966 | 2181 | BYERS | BYRSCOXCDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: BYERS Switch Type: Northern Telecom DMS10 Host Switching Office LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: BYRSCOXCDS0)) 🕘 Prefix History 🔎 Explore Carrier Information |
| 720-906 | CO | COMCAST IP PHONE, LLC (Comcast Corporation) | 0008497687 | RMD0003552 | 318J | BYERS | DNVRCOMA39Z | 12/03/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOMA39Z)) 🕘 Prefix History 🔎 Explore Carrier Information |
| 720-906 is split into 1,000-number blocks - detail below | |||||||||
| 720-906-1XXX | CO | COMCAST IP PHONE, LLC (Comcast Corporation) | 0008497687 | RMD0003552 | 318J | BYERS | DNVRCOMA39Z | 12/03/2021 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOMA39Z )) 🕘 Prefix History 🔎 Explore Carrier Information |