Cities in area code 346

45 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 346 in Texas. "Covered" means the locality is a rate center holding 346 prefixes; the largest are Houston, Houston Suburban, Bammel.

Ranked by active prefixes, the code's territory runs through Houston, Houston Suburban, Bammel, Langham Creek, Spring, Cypress, Richmond-rosenberg and Sugar Land, and 36 smaller communities down to single-prefix localities.

45 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

45 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.

All of the code's territory keeps Central time.

Remember that people keep numbers when they relocate, so a 346 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 346?

Houston holds the most active prefixes (169), making it the code's largest numbering locality.

How many places does 346 cover?

45 rate centers in Texas hold active 346 prefixes, from Houston down to communities with a single prefix.

Does a 346 number guarantee the caller lives in one of these places?

No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.