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Post Office
The New Carlisle post office is older than almost everything else in this build except the town itself, and its record is honest about where it thins. The town was platted in 1835; the federal post-office table of 1 July 1836 does not know it yet; by 1843 its postmaster was the town's first merchant, Jeremiah Service, who then held nearly every other office this build records. The modern shape is the shape every file in this build prints: the ZIP, 46552, serves a country far larger than the town, out across Olive Township to Hudson Lake and Rolling Prairie in La Porte County.
The establishment test — no New Carlisle office on 1 July 1836
1835–1843 · FIRST-HAND NEGATIVE
The town was platted in 1835, and the post office was not there yet. The federal Table of Post Offices in the United States, on the first of July 1836, searched whole for the name, carries exactly one New Carlisle: Clark County…
The township's second office — Terre Coupee, at Hamilton
BY 1870–1880 · CHAPMAN FIRST-HAND
Hamilton kept its own office under the prairie's name. Chapman notes the village of Hamilton "is frequently called Terre Coupee, from a post-office of that name near there," and its biographical roll gives the office a keeper…
The modern office and the shape of 46552
TO NOVEMBER 2026 · THE POSTAL TOWN VS THE TOWN
The ZIP code is the biggest New Carlisle there is. ZIP 46552 answers for the incorporated town and for a wide Olive Township and cross-county country besides: the business association's own roll carries New Carlisle addresses out…