通州

通州	Tōng zhōu	Tongzhou, a district of Beijing / Tongzhou, a district of Nantong 南通, Jiangsu
通	tōng	to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc
通	tòng	classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)
州	zhōu	prefecture / (old) province / (old) administrative division / state (e.g. of US) / oblast (Russia) / canton (Switzerland)