Get a local business phone number in Rio Hondo, TX

What area code is Rio Hondo, TX?

Rio Hondo city is a Census place in Cameron County, Texas, with an estimated 2,311 residents in 2024. All 4 exchanges NANPA lists for its rate center are in area code 956. Rio Hondo is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 956 are dialed as seven digits and toll calls as 1 plus ten digits.

Phone carriers in Rio Hondo

4 carriers hold the 4 exchanges assigned to Rio Hondo's rate center. AT&T Enterprises, LLC has the most, with 1. 4 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 Rio Hondo

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Rio Hondo. The earliest assignment date recorded in the file for these codes is 2021. 2 of the 4 were assigned in 2020 or later.

Rate centers and local calling in Rio Hondo

NANPA ties every exchange to a rate center. For Rio Hondo that is RIO HONDO, so a number from one of these exchanges reads as local to people in and around Rio Hondo.

New local numbers are drawn from carrier inventory, so the exact 956 numbers available change over time; porting an existing number is free.

Businesses around Rio Hondo

Rio Hondo is part of the Brownsville-Harlingen, TX metro area, home to 432,000 people in 2024. County Business Patterns counted 6,732 business establishments in the Brownsville, TX metro area in 2023, employing 123,749 people. The largest sectors by establishment count are health care and social assistance (1,124), retail trade (1,037), and accommodation and food services (851).

Setting up a Rio Hondo 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.

Porting a number you already use in Rio Hondo 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Brownsville, 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. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.