How To Call USA From Australia: Updated For 2025

Quick Reference Summary

To call the USA from Australia:

0011 + 1 + Area Code + Local Number

Examples:

  • For New York landline: 0011 + 1 + 212 + XXX XXXX
  • For California mobile: 0011 + 1 + 310 + XXX XXXX

When it’s 12 PM (noon) in Sydney, it’s 5 PM previous day in Los Angeles (17 hours behind) or 8 PM previous day in New York (14 hours behind).

Complete Dialing Process

Calling the United States from Australia requires understanding the structure of American phone numbers, which follow a consistent format nationwide.

US Phone Number Structure

All US phone numbers consist of a 3-digit area code followed by a 7-digit local number (XXX-XXX-XXXX). The total length of a US phone number is always 10 digits. Unlike some countries, there is no distinction in the dialing format between landlines and mobile phones in the United States.

Step-by-Step Dialing Instructions

  1. Dial the Australia exit code: 0011
  2. Dial the USA country code: 1
  3. Dial the 3-digit US area code (e.g., 212 for Manhattan, 213 for central Los Angeles)
  4. Dial the 7-digit local number

When calling any US number, you’ll always use this same format regardless of whether it’s a landline, mobile phone, or VoIP number. The only difference is the area code, which indicates the geographic region of the number.

Extensions and Special Numbers

If you’re calling a US business number with an extension, wait until the call connects, then dial the extension when prompted. Some automated systems may allow you to enter the extension by adding it after the phone number with a # symbol or a comma (which represents a pause).

US toll-free numbers (starting with 800, 888, 877, 866, 855, 844, or 833) can be dialed from Australia using the same format: 0011 + 1 + toll-free code + 7 digits. However, be aware that some US toll-free numbers may not be accessible from international locations.

Regional Analysis: Area Codes in the USA

The United States uses numerous area codes organized by geographic regions. Here’s a comprehensive list of major area codes by state and city:

Northeast Region

State/City Area Code
New York City, NY 212, 332, 646, 917
Boston, MA 617, 857
Philadelphia, PA 215, 267
Washington DC 202
Baltimore, MD 410, 443
Pittsburgh, PA 412

Midwest Region

State/City Area Code
Chicago, IL 312, 773, 872
Detroit, MI 313
Cleveland, OH 216
Indianapolis, IN 317
Milwaukee, WI 414
Minneapolis, MN 612
St. Louis, MO 314
Kansas City, MO 816
Cincinnati, OH 513

Southern Region

State/City Area Code
Atlanta, GA 404, 470, 678, 770
Miami, FL 305, 786
Dallas, TX 214, 469, 972
Houston, TX 281, 346, 713, 832
New Orleans, LA 504
Nashville, TN 615
Charlotte, NC 704, 980
Orlando, FL 321, 407
San Antonio, TX 210
Tampa, FL 813
Austin, TX 512

Western Region

State/City Area Code
Los Angeles, CA 213, 310, 323, 424, 747, 818
San Francisco, CA 415, 628
San Diego, CA 619, 858
Seattle, WA 206
Portland, OR 503
Denver, CO 303, 720
Phoenix, AZ 602, 480, 623
Las Vegas, NV 702
Salt Lake City, UT 385, 801
Honolulu, HI 808

Alaska and Territories

Region Area Code
Alaska 907
Puerto Rico 787, 939
Guam 671
US Virgin Islands 340

Note: This is not a complete list of all US area codes but covers most major cities and regions. The US currently has over 300 area codes in use.

Here’s the updated pitch section for “How To Call USA From Australia”:

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