Browse Delaware area codes and open individual area code pages for location, major cities, time zone, introduction date, overlay or related codes, and dialing information.
About Delaware Area Codes
Area Codes Atlas currently lists 1 published area code page associated with Delaware. Use the directory above to open each code page and review its location, listed cities, time zone, introduction date, and related or overlay code information. The introduction-year data available in this directory includes 1947.
Cities Listed for Delaware Area Codes
Cities appearing in the current Delaware area-code records include Dover, Newark, and Wilmington. The exact cities vary by area code, so open an individual code page for its full city list.
Frequently Asked Questions About Delaware Area Codes
How many Delaware area codes are listed?
Area Codes Atlas currently has 1 published area code page associated with Delaware.
Which cities are listed for Delaware area codes?
Current records include cities such as Dover, Newark, and Wilmington. City coverage differs by area code, so use the directory above for code-specific details.
How can I find information about a specific Delaware area code?
Select an area code from the directory above. Each code page includes the available location, city, time zone, introduction-date, related-code, and dialing information.
Counts, cities, time zones, and introduction-year summaries on this page are generated from the current published Area Codes Atlas directory and may change as the directory is updated.