Area Code 251: Comprehensive Guide to Technical and Geographic Details
Info: Area code 251 is part of the North American Numbering Plan (NANP), covering southwestern Alabama, including Mobile, Baldwin, and Washington counties.
Technical Specifications of Area Code 251
- NPA Code: 251
- Type: Single
- Implementation Date: June 18, 2001
- State: Alabama
Geographic Coverage
Area code 251 encompasses the southwestern region of Alabama, notably Mobile, Baldwin, and Washington counties.
Major Cities
- Mobile, Alabama
- Latitude: 30.69436
- Longitude: -88.04305
- Prichard, Alabama
- Latitude: 30.7388
- Longitude: -88.07889
Numbering Statistics
- Total Numbers Available: Data not provided
- Utilization Rate: Data not provided
- Exhaust Projection: Data not provided
Network Infrastructure
Major Carriers
- [List of major carriers with market share percentages]
Services Offered
- Landline
- Wireless
- VoIP
Regulatory Framework
- Regulatory Body: North American Numbering Plan Administrator (NANPA)
- Dialing Requirements: Transitioned to ten-digit dialing by October 24, 2021
- NANPA Regulations: Compliance with ten-digit dialing due to the 988 designation for the National Suicide Prevention Lifeline
Historical Milestones
- June 18, 2001: Area code 251 was created as a split from area code 334.
- January 7, 2002: Full implementation of area code 251, allowing time for reprogramming of electronic devices.
- October 24, 2021: Transition to ten-digit dialing due to the 988 designation.
Conclusion
Area code 251 is crucial for telecommunications in southwestern Alabama, serving key cities like Mobile and Prichard. Its development and transition to ten-digit dialing highlight the ongoing evolution of the North American Numbering Plan to meet modern communication needs.
For more information, visit the North American Numbering Plan Administrator website.