Prefix Information
The prefix 166 is part of area code 319 serving Cedar Rapids, Iowa.
This exchange contains 10,000 possible phone numbers (319-166-0000 through 319-166-9999).
Phone numbers with prefix 166 in area code 319. Location: Cedar Rapids, Iowa.
The prefix 166 is part of area code 319 serving Cedar Rapids, Iowa.
This exchange contains 10,000 possible phone numbers (319-166-0000 through 319-166-9999).