While it is possible this number refers to a specialized internal code or an international postal identifier, it does not correspond to a known geographic location in the United States. Nearby valid ZIP codes in the New York area—where codes starting with "1" are common—include:
: Located in Deer Park, New York , within Suffolk County. 111029 zip
: Encompassing the city of Canaan, New York , in Columbia County. ZIP Code™ Lookup | USPS While it is possible this number refers to
: Located in Manhattan, covering East Harlem and the Upper East Side . 111029 zip
The zip code does not currently exist in the standard five-digit format used by the United States Postal Service (USPS). Standard ZIP codes in the U.S. always consist of exactly five digits.