Area Code 337: Comprehensive Guide to Technical Specifications and Data

Area code 337 serves southwestern Louisiana, including major cities such as Lafayette, Lake Charles, and New Iberia. Established in 1999, it was split from area code 318.

Technical Overview

Basic Specifications

  • NPA Code: 337
  • Type: Single
  • Implementation Date: 1999
  • State: Louisiana

Geographic Coverage

Overview

Area code 337 encompasses southwestern Louisiana, with coverage in cities like Lafayette, Lake Charles, and New Iberia.

Numbering and Utilization

Statistics

  • Total Numbers Available: [Data Not Provided]
  • Utilization Rate: [Data Not Provided]
  • Exhaust Projection: [Data Not Provided]

Telecommunications Infrastructure

Regulatory Information

Framework

  • Regulatory Body: North American Numbering Plan Administrator (NANPA)
  • Dialing Requirements: Transitioned to ten-digit dialing by October 24, 2021, due to the 988 National Suicide Prevention Lifeline.
  • NANPA Regulations: Compliance with NANPA's guidelines for area code assignments and dialing procedures.

Historical Context

Key Milestones

  • 1999: Area code 337 was created from the southern half of area code 318.
  • 2021: Transition to ten-digit dialing due to the implementation of 988 as the National Suicide Prevention Lifeline.

Conclusion

Area code 337 is a vital telecommunications hub in southwestern Louisiana, serving key cities such as Lafayette and Lake Charles. Since its inception in 1999, it has evolved to meet regulatory changes, including the recent transition to ten-digit dialing.