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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 605-763 | SD | BERESFORD MUNICIPAL TEL. CO. | N/A | N/A | 1649 | BERESFORD | BRFRSDXADS1 | 00/00/0000 | Prefix Type: ICO Switch Name: BERESFORD Switch Type: Northern Telecom DMS10 (Digital) LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BRFRSDXADS1)) 🕘 Prefix History 🔎 Explore Carrier Information |