Where is area code 346?
Area code 346 is assigned to Houston and the surrounding region in Texas. Calls to numbers that start with 346 are routed to this area.
Area code 346 shares its territory with 281, 621, 713, 832. Because it is an overlay, local calls require dialing all 10 digits.
Counties covered
Line types
- Mobile 40.75%
- Landline 59.25%
Area code 346 on the map
The shaded area joins the code’s numbering centers; the marker shows its main city.
© OpenStreetMap contributors
Current time in Houston
This area code is in the Central Time (CT) time zone.
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How to call Houston
Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.
Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal
Always save the number in international format so messaging apps recognize it correctly:
| Call type | Traditional landline | Mobile / VoIP |
|---|---|---|
| Local (same area code) | 10 digits | 10 digits |
| US long distance | 1 + 10 digits | 10 digits |
| Emergency | 911 | 911 |
Learn more about that number.
Check the line type and the carrier the number block was originally assigned to.
10 digits to see the carrier and line type of the number
Carriers in area code 346
Share of the number blocks by carrier and line type.
Landline
Mobile
Carrier shown is the original assignment of each number block and may differ today because of number portability.
Complete list of prefixes for area code 346
724 number blocks (NXX) assigned in this area code.
| Prefix | Type | City | Carrier |
|---|---|---|---|
| (346) 200 | Landline | Houston | SinchONVOY, LLC - TX |
| (346) 201 | Landline | Houston | Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
| (346) 202 | Landline | Bammel | SinchONVOY, LLC - TX |
| (346) 203 | Landline | Houston Suburban | Windstream CommunicationsPAETEC ITEL, LLC |
| (346) 204 | Landline | Houston | Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC |
| (346) 205 | Landline | Langham Creek | Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC |
| (346) 206 | Landline | Satsuma | SinchONVOY, LLC - TX |
| (346) 207 | Landline | Houston Suburban | AT&TSOUTHWESTERN BELL |
| (346) 208 | Mobile | Dickinson | Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| (346) 209 | Landline | Liverpool | Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC |
Showing 10 of 724 prefixes