Postal Codes

This layer contains the zip codes in Charleston County. Please note some zip codes stretch outside the county boundary, but this layer was clipped to Charleston County. The boundaries were extensively researched and compiled by referencing the USPS websites.本图层涵盖查尔斯顿县（Charleston County）的邮政编码区域。请注意，部分邮政编码区域会超出本县行政边界，但本图层已被裁剪至查尔斯顿县范围内。该图层的边界经全面调研与整合编制，参考来源为美国邮政服务（USPS）官方网站。