Area Code 210: Comprehensive Guide to Technical Specifications and Data

Info: Area code 210, part of the North American Numbering Plan (NANP), serves the San Antonio area in Texas. Established in 1992 from area code 512, it was later reduced due to number exhaustion.

Technical Specifications

NPA Code: 210
Type: Single
Implementation Date: November 1, 1992
State: Texas

Geographic Coverage

Coordinates: 29°25′30″N 98°29′38″W
Area Served: San Antonio metropolitan area

Major Cities

San Antonio, Texas: 29.42412, -98.49363

Numbering Statistics

Total Numbers Available: Data not available
Utilization Rate: Data not available
Exhaust Projection: Mid-2018 (prior to overlay implementation)

Network Infrastructure

Major Carriers

AT&T
Verizon
T-Mobile
Sprint

Services Offered

Landline
Wireless
VoIP

Regulatory Framework

Regulatory Body: Public Utility Commission of Texas
Dialing Requirements: Mandatory ten-digit dialing since October 2017
NANPA Regulations: Overlay complex with area code 726

Historical Milestones

November 1, 1992: Area code 210 created from area code 512.
July 7, 1997: Area code 210 split to create area codes 830 and 956.
October 2017: Area code 726 overlay activated.

Conclusion

Area code 210 plays a vital role in the telecommunications network of the San Antonio area. It has adapted to changes such as the implementation of overlay area code 726 to manage number exhaustion and support the region's growth.

For more information, visit the North American Numbering Plan Administration.