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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 319-242 | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | CEDARFALLS | CDRRIAAB4MD | 03/28/2002 | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) | |
| 319-242 is split into 1,000-number blocks - detail below | |||||||||
| 319-242-9XXX | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | CEDARFALLS | CDRRIAAB4MD | N/A | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) | |
| 319-406 | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | DENVER | CDRRIAAB4MD | 09/12/2001 | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) | |
| 319-406 is split into 1,000-number blocks - detail below | |||||||||
| 319-406-1XXX | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | DENVER | CDRRIAAB4MD | N/A | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) | |
| 319-464 | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | WATERLOO | CDRRIAAB4MD | 00/00/0000 | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) | |
| 319-464 is split into 1,000-number blocks - detail below | |||||||||
| 319-464-3XXX | IA | AT&T - LOCAL (AT&T) | N/A | 7421 | WATERLOO | CDRRIAAB4MD | N/A | Prefix Type: CLEC Switch Name: CEDAR RAPIDS Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A 🔧 Explore Switch(CLLI: CDRRIAAB4MD)) |