Get a local business phone number in Seabrook, TX

What area code is Seabrook, TX?

With 13,976 residents in the Census 2024 estimate, Seabrook sits in Harris County, Texas. NANPA lists 12 exchanges for its rate center across 4 area codes; 281 has the most (5, 42%). 281 is part of an overlay with 346, 621, 713, and 832, so a new local number in Seabrook may carry any of those codes depending on which have numbers available. Seabrook is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 281 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Seabrook phone exchanges

6 carriers hold the 12 exchanges assigned to Seabrook's rate center. Onvoy, LLC - TX has the most, with 5. 10 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Local prefixes for Seabrook

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Seabrook. The earliest assignment date recorded in the file for these codes is 2001. 3 of the 12 were assigned in 2020 or later.

When Seabrook's exchanges were assigned

Assignment dates show when each block of Seabrook numbers was added to the local supply.

Rate centers and local calling in Seabrook

What a caller sees as "local" is the area code plus prefix. In Seabrook, those come from the SEABROOK rate center, as recorded by NANPA.

Keeping an existing Seabrook number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 281 when you pick it.

Who does business near Seabrook

Seabrook is part of the Houston-Pasadena-The Woodlands, TX metro area, home to 7.8 million people in 2024. County Business Patterns counted 162,055 business establishments in the Houston, TX metro area in 2023, employing 2,863,143 people. The largest sectors by establishment count are professional, scientific, and technical services (22,233), retail trade (20,204), and health care and social assistance (20,054).

Setting up a Seabrook business line

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Seabrook, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Houston, TX metro area, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.