Get a local business phone number in Richfield, UT

What area code is Richfield, UT?

With 8,330 residents in the Census 2024 estimate, Richfield sits in Sevier County, Utah. All 10 exchanges NANPA lists for its rate center are in area code 435. Richfield is in the Mountain time zone.

According to NANPA's dialing-plan data, local calls within 435 are dialed as seven digits and toll calls as 1 plus ten digits.

Who holds Richfield phone exchanges

8 carriers hold the 10 exchanges assigned to Richfield's rate center. New Cingular Wireless PCS, LLC has the most, with 2. 9 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.

Richfield phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Richfield's rate center (RICHFIELD). The earliest assignment date recorded in the file for these codes is 2001. 1 of the 10 were assigned in 2020 or later.

When Richfield's exchanges were assigned

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

How local numbers work in Richfield

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

If your business already has a Richfield number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Richfield

Richfield is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 95,494 business establishments in Utah in 2023, employing 1,579,974 people. The largest sectors by establishment count are professional, scientific, and technical services (13,540), construction (13,022), and health care and social assistance (10,381).

Setting up a Richfield business line

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 Richfield 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.

A 17-person team is the benchmark here, the rounded average establishment size in Utah. 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. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.