npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
507-647 | MN | WINTHROP TEL. CO. | 1508 | WINTHROP | WNTHMNXWDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: WINTHROP Switch Type: Northern Telecom DMS10 (Digital) LATA: Rochester MN (620) Tandem: N/A Detailed Switch Info |