Summary: |
Transmittal No. 890; this filing proposes reducing the minimal interval for updating of 500 NXX and/or 900 NXX code changes made by customers, from at least 25 business days to 20 business days prior to the effective date of the code changes, filed on behalf of Ameritech Ohio by R. Hillstrom. (6 pgs.) (83-464) |
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