Mexico uses 5-digit postal codes (e.g., 55510 ), so "155510" would not fit their standard format. Clarification on "155510" vs. Similar US ZIPs
China also uses a 6-digit system. While codes starting with "15" are often associated with the Heilongjiang province in Northeast China, "155510" specifically may correspond to a local branch or sub-district within that region. 155510 zip
Understanding Postal Codes: A Global Guide to ZIP Code - DHL Mexico uses 5-digit postal codes (e
In the Indian PIN (Postal Index Number) system, 6-digit codes starting with "15" generally belong to the Northern Region , specifically covering parts of Punjab . Mexico uses 5-digit postal codes (e.g.