Related Clues:

• Postal codes
• Fasteners for flies?
• Energy, speed
• Oomph; fastener
• Close, like jeans
• Close a backpack, say
• Closes, as some coats
• Tear fastener
• Moves rapidly
• Nothing in the US
• Fasteners with toothed edges
• Speed regulations shown for all US districts?
• Nothing to fasten garment
• Part of a US address
• Replacements for buttons? Nothing succeeded