LTE Bands on an N920T

Going by the specs I've seen on a number of tech sites, I've always thought that the LTE bands on most T-Mobile phones were limited to those that T-Mobile and AT&T use (4 and 12). However, when I ran "search for operators" I could see Verizon (and ATT + TMo) towers. Then I found this page at T-Mobile's own website that shows this:

International

Quad Band GSM; LTE: 1, 2, 3, 4, 5, 7, 8, 12, 20; UMTS: Band I (2100), Band II (1900), Band IV (1700/2100), Band V (850)

The UMTS bands obviously are TMo's, but LTE covers way more than they have deployed. So it would seem the N920T really has these bands? Perhaps it's because the chipset is Exynos.

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