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Reference Shelf: Phone Books and Directories

Dictionaries, encyclopedias, phone directories, zip and area codes, recommended websites by topic, grammar guides, and more.

Phone Books and Directories

  • Dex Knows - White and yellow pages online, with mapped results.
  • Anywho - White & yellow pages, reverse phone search, toll-free search & more.

Zip and Area Codes

Zip Codes

Area Codes

  • Country Calling Codes - City and country calling codes and dialing instructions for international telephone calls