CallataGuides

Get a local business phone number in Benton City, WA

Benton City's area code, prefixes and carriers from NANPA records, and how to put a Benton City number in front of your customers.

Area code
509
Exchanges
2NANPA-assigned
Carriers
2
Population
3,876Census 2024 est.

Area codes in Benton City

Benton City, in Benton County, Washington, had a Census-estimated population of 3,876 in July 2024. All 2 exchanges NANPA lists for its rate center are in area code 509. Benton City is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 509 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Benton City, WA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
5092100%1957nonePacific

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Benton City exchanges by carrier

2 carriers hold the 2 exchanges assigned to Benton City's rate center. Onvoy, LLC - Wa has the most, with 1. 2 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.

Carriers holding exchanges in Benton City, WA
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - Wa150%
Ziply Fiber Northwest, LLC d/b/a Ziply Fiber150%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in Benton City

These are the central office codes NANPA records for Benton City. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2007. None were assigned in 2020 or later.

Prefixes assigned in Benton City, WA
Area codePrefixes (NXX)
509497, 588

Source: NANPA utilized central office code file.

What makes a number local to Benton City

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

Keeping an existing Benton City number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 509 when you pick it.

The local business market

Benton City is part of the Kennewick-Richland, WA metro area, home to 319,000 people in 2024. County Business Patterns counted 6,928 business establishments in the Kennewick, WA metro area in 2023, employing 100,711 people. The largest sectors by establishment count are construction (1,092), health care and social assistance (890), and retail trade (807).

Selected industries in the Kennewick, WA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants2034,46422.0
Full-service restaurants1923,56318.6
Offices of real estate agents and brokers1902791.5
Physician practices1703,33519.6
Residential remodelers1354163.1
Landscaping services1289237.2
Dental offices1241,32510.7
New single-family housing construction contractors1244163.4

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Benton City number on Callata

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 Benton City 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 15 users, the rounded average establishment size in the Kennewick, WA metro area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 15-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$299.00$3,588.00
Quo (Starter)$19.00 per user$285.00$3,420.00
Nextiva (Core)$23.00 per user$345.00$4,140.00
Ooma (Office Pro)$24.95 per user$374.25$4,491.00
Dialpad (Standard)$27.00 per user$405.00$4,860.00
RingCentral (RingEX Core)$30.00 per user$450.00$5,400.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Benton City, WA?

509. All exchanges NANPA lists for Benton City are in 509.

How many phone companies have exchanges in Benton City?

2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Benton City business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Benton City?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).