Discount Codes Mail Merge

Please help me import 250 different codes from Excel into a word doc

Insert each code into an Avery sticker template (exact label code will be provided)
Ensure correct alignment, spacing, and formatting for printing
Deliver a print-ready file (Word & PDF preferred)

Requirements:
Experience with Avery label templates
Comfortable with Excel → Word mail merge or equivalent workflow
High attention to detail (each sticker must show a different code)
No design work required — text only

Deliverables:
One final, print-ready sticker file in word/pdf
All 250 codes correctly placed (one per label)

Timeline:
Quick turnaround preferred (1 day)