A ZIP (Zone Improvement Plan) code is a geographic identifier used to improve the efficiency of mail sorting and delivery. Valid codes range from (assigned to the IRS in New York) to 99950 (Ketchikan, Alaska). Any sequence with six digits, such as 156047, does not conform to the standard USPS ZIP Code Lookup format. Potential Corrections
You might be looking for one of these similar 5-digit codes: 156047 zip
While "156047" is not a U.S. ZIP code, six-digit postal codes are standard in other countries, such as: A ZIP (Zone Improvement Plan) code is a