Sent TeamMar 8, 2026 / area code / Article
Area Code 346: Houston's Comprehensive Telecommunication Guide
Area code 346 overlays Houston, TX, introduced July 1, 2014. Explore its geographic coverage including Alvin, Pasadena, & Sugar Land. What's the exhaust projection (late 2025)? Understand the telecom infrastructure: AT&T (35%), Verizon (30%), & VoIP services. Learn about NANPA & PUC regulations.
Frequently Asked Questions
What area code is Houston, Texas?
When was area code 346 implemented in Houston?
Why was area code 346 added to Houston?
What is the geographic coverage of area code 346?
Is 10-digit dialing required for calls within area code 346?
What is the approximate number of available phone numbers in area code 346?
What are the major telecom carriers in the 346 area code region?
What types of phone services are available under area code 346?
Which regulatory body oversees area code 346?
What area codes were used in Houston before area code 346 was implemented?
When was area code 713 first established for the Houston area?
When is area code 346 expected to run out of numbers?
Where can I find more information about area code 346 and Texas telecommunications regulations?
What is an area code overlay?
What is NANPA and its role with area code 346?
When was area code 346 implemented?
Why was a new area code needed in Houston?
How many phone numbers does area code 346 provide?
What cities are included in area code 346?
What is the area code for The Woodlands, TX?
How to dial a number with area code 346?
What is the regulatory body for area code 346?
What is an overlay area code, like 346?
What area codes were in Houston before 346?
When will area code 346 run out of numbers?
Who are the primary telecom carriers in Houston?
What types of phone services use area code 346?