Get a local business phone number in Sour Lake, TX

What area code is Sour Lake, TX?

Sour Lake city is a Census place in Hardin County, Texas, with an estimated 1,845 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 409. Sour Lake 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.

Phone carriers in Sour Lake

3 carriers hold the 3 exchanges assigned to Sour Lake's rate center. Southwestern Bell has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Sour Lake can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Sour Lake

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Sour Lake. The earliest assignment date recorded in the file for these codes is 2005. 1 of the 3 were assigned in 2020 or later.

When Sour Lake's exchanges were assigned

The table groups Sour Lake's exchanges by the decade NANPA recorded them as assigned.

How local numbers work in Sour Lake

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Sour Lake's numbers are rated to the SOUR LAKE rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Sour Lake number.

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

Who does business near Sour Lake

Sour Lake 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).

Business phone service in Sour Lake

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Sour Lake is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 17 users, the rounded average establishment size in the Beaumont, TX metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.