Get a local business phone number in Port Arthur, TX

Area codes in Port Arthur

Port Arthur city is a Census place in Jefferson County, Texas, with an estimated 55,799 residents in 2024. All 28 exchanges NANPA lists for its rate center are in area code 409. Port Arthur is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 409 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Port Arthur phone exchanges

11 carriers hold the 28 exchanges assigned to Port Arthur's rate center. Southwestern Bell has the most, with 9. 24 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Local prefixes for Port Arthur

These are the central office codes NANPA records for Port Arthur. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 4 of the 28 were assigned in 2020 or later.

When Port Arthur's exchanges were assigned

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

How local numbers work in Port Arthur

NANPA ties every exchange to a rate center. For Port Arthur that is PORTARTHUR, so a number from one of these exchanges reads as local to people in and around Port Arthur.

Keeping an existing Port Arthur number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 409 when you pick it.

The local business market

Port Arthur is part of the Beaumont-Port Arthur, TX metro area, home to 399,000 people in 2024. County Business Patterns counted 7,915 business establishments in the Beaumont, TX metro area in 2023, employing 133,070 people. The largest sectors by establishment count are retail trade (1,349), health care and social assistance (1,072), and other services (except public administration) (853).

Setting up a Port Arthur business line

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Port Arthur, 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.

A 17-person team is the benchmark here, the rounded average establishment size in the Beaumont, TX metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.