─────── § 04. NPA RECORD · 855 · FOLIO 0657 OF 0801 ──────────────
§ 04.05Event Summary
other · 2activated · 1relief planned · 1
§ 04.06
Documentary Record · 4 events
CHRONOLOGICAL ORDER
1999-11-29
activated
NPA 866 assigned
Assignment of NPA codes 866 and 855 for Toll-Free Service
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2010-08-17
other
Implementation of the NPA 855 for Toll Free Services
▸
2010-10-01
other
Implementation of the NPA 855 for Toll Free Services
▸
2020-10-29
relief planned
NANPA Planning Letter 548, 800-855 number management
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