Sources and dates
Built by Raymitra from India Post's 3-digit sorting districts and each DISCOM's published service region (state-level knowledge), for the DISCOMs that have a guide in content/discoms only. A prefix is listed only where the whole sorting district falls in one DISCOM's region, or where the overlap is known and both DISCOMs are named ('shared'). Every other prefix answers 'not in our list yet'. Not checked against DISCOM consumer data; the name printed on the electricity bill always wins. Table as of 2026-09-27; not verified against DISCOM data.
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