China uses 6-digit postal codes. The prefix 14 is not typically used for primary regional routing (major cities like Beijing use 10xxxx ). Other Possible Interpretations
In planning and development documents, such as those from the San Francisco Planning Commission , specific numerical codes like are cited in reference to Planning Code sections. For example, Section 145 governs ground-floor ceiling height requirements for urban mixed-use districts. Global Postal Systems 145284 zip
While the US uses 5-digit codes, other countries use longer numeric strings: China uses 6-digit postal codes