Most Common Phone Area Codes in the US
A guide to the most common US phone area codes, which regions they cover, and how area codes work in the modern era.
#phone numbers
18 articles with this tag
Toll-Free Numbers Explained
Learn how toll-free phone numbers work, the difference between 800, 888, 877, and other prefixes, and how to look up toll-free callers.
Understanding Phone Number Portability
Learn how phone number portability works, why it matters, and how keeping your number when switching carriers affects people search.
How Phone Numbers Are Assigned
Understand how phone numbers are assigned in the U.S., from area codes to subscriber numbers, and what each part of a number means.
Vanishing Area Codes and Number Shortages
Learn about area codes approaching exhaustion, the phone number shortage challenge, and what solutions are being considered.
Newest Area Codes in America
Learn about the newest area codes introduced across the United States, why they were needed, and what regions they serve.
History of Area Codes in America
Trace the history of area codes from 1947 to today, how the system evolved, and what the future holds for American phone numbers.
Area Code 206: Complete Guide to Seattle Phone Numbers
A complete guide to area code 206 covering Seattle, Washington, including its history, neighborhoods served, and phone lookup tools.
Area Code 602: Complete Guide to Phoenix Phone Numbers
A complete guide to area code 602 covering central Phoenix, Arizona, including its history, coverage area, and phone lookup resources.
Area Code 214: Complete Guide to Dallas Phone Numbers
A complete guide to area code 214 covering central Dallas, Texas, including history, neighborhoods served, and phone number lookup tips.
Area Code 713: Complete Guide to Houston Phone Numbers
A guide to area code 713 covering central Houston, Texas, including its history, geographic coverage, and phone number lookup tools.
Area Code 305: Complete Guide to Miami Phone Numbers
Everything about area code 305, the iconic Miami phone prefix covering Miami-Dade County, the Florida Keys, and South Florida.
Area Code 415: Complete Guide to San Francisco Phone Numbers
A complete guide to area code 415 covering San Francisco and Marin County, including history, coverage area, and phone lookup tips.
Area Code 404: Complete Guide to Atlanta Phone Numbers
Learn about area code 404 covering central Atlanta, Georgia, including its history, geographic coverage, and phone number lookup tips.
Area Code 312: Complete Guide to Chicago Phone Numbers
A complete guide to area code 312, covering downtown Chicago and the Loop, including its history, coverage, and how to look up numbers.
Area Code 310: Complete Guide to Los Angeles Phone Numbers
Everything about area code 310 covering West Los Angeles, Beverly Hills, Santa Monica, and the South Bay region of Southern California.
Area Code 212: Complete Guide to New York City Phone Numbers
Everything you need to know about area code 212, the iconic New York City phone number prefix covering Manhattan and its history.
Understanding Area Codes by State
A comprehensive guide to how area codes are distributed across U.S. states, what they reveal about location, and how to use them.