While the US uses 5-digit codes, other countries use longer numeric strings:
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
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 While the US uses 5-digit codes, other countries