Area Code 310: Your Essential Guide to Los Angeles' Phone Network

Area Code 310: Your Essential Guide to Los Angeles' Phone Network

Area code 310 is a crucial part of the North American Numbering Plan (NANP), primarily serving the vibrant and diverse Los Angeles metropolitan area. This area code covers the Westside and South Bay regions of Los Angeles County, parts of Ventura County, and Santa Catalina Island, making it a significant telecommunication hub in Southern California.

Key Facts about Area Code 310

  • NPA Code: 310
  • Type: Overlay
  • Implementation Date: November 2, 1991
  • State: California

Where is Area Code 310 Located?

Area code 310 serves a large portion of Southern California, including some of its most famous cities and neighborhoods. Here's a closer look at some of the major cities within this area code:

  • Beverly Hills, CA
  • West Carson, CA
  • Culver City, CA
  • Gardena, CA
  • Hawthorne, CA
  • Inglewood, CA
  • Lawndale, CA
  • Lennox, CA
  • Lomita, CA
  • Lynwood, CA
  • Manhattan Beach, CA
  • Rancho Palos Verdes, CA
  • Redondo Beach, CA
  • Santa Monica, CA
  • Torrance, CA

Technical and Regulatory Information

Major Carriers and Services

Area code 310 is supported by several major telecommunications carriers offering a range of services:

  • Landline Services
  • Wireless Services
  • VoIP Services

Regulatory Framework

Area code 310 is regulated by the California Public Utilities Commission (CPUC), ensuring compliance with NANPA guidelines. The dialing requirements mandate a 1 + area code + seven-digit number format for all calls.

Historical Milestones of Area Code 310

  • November 2, 1991: Creation of area code 310 from a split of area code 213.
  • January 25, 1997: Area code 310 was further split to create area code 562.
  • July 26, 2006: Introduction of area code 424 as an overlay to area code 310.

Frequently Asked Questions

What Cities Are in Area Code 310?

Area code 310 covers several key cities in Los Angeles County, including Beverly Hills, Santa Monica, and Torrance, among others.

How Do I Dial a Number in Area Code 310?

To dial a number within area code 310, use the format 1 + 310 + seven-digit number.

Why Was Area Code 310 Created?

Area code 310 was created to accommodate the growing demand for phone numbers in the Los Angeles region, originally splitting from area code 213.

Conclusion

Area code 310 is a vital part of the telecommunications landscape in Southern California. Its extensive coverage includes some of the region's most iconic cities, and its regulatory framework ensures efficient communication services. Whether you're a resident or a business owner, understanding the scope and structure of area code 310 can help you navigate the complexities of telecommunications in Los Angeles.

For more detailed regulatory information, visit the California Public Utilities Commission.