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Get a local business phone number in Riverbank, CA

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

Area code
209 / 350
Exchanges
8NANPA-assigned
Carriers
6
Population
25,625Census 2024 est.

Riverbank area codes

Riverbank city is a Census place in Stanislaus County, California, with an estimated 25,625 residents in 2024. NANPA lists 8 exchanges for its rate center across 2 area codes; 209 has the most (7, 88%). 209 is part of an overlay with 350, so a new local number in Riverbank may carry any of those codes depending on which have numbers available. Riverbank is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 209 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Riverbank, CA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
209788%1958350Pacific
350113%2022209Pacific

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

Riverbank exchanges by carrier

6 carriers hold the 8 exchanges assigned to Riverbank's rate center. T-mobile USA, INC. has the most, with 2. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Riverbank, CA
Carrier (NANPA operating company)ExchangesShare
T-mobile USA, INC.225%
Pacific Bell225%
Level 3 Communications, LLC - CA113%
Onvoy, LLC - CA113%
Bandwidth.com CLEC, LLC - CA113%
Onvoy Spectrum, LLC113%

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 Riverbank

These are the central office codes NANPA records for Riverbank. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 8 were assigned in 2020 or later.

Prefixes assigned in Riverbank, CA
Area codePrefixes (NXX)
209315, 502, 657, 719, 863, 869, 896
350630

Source: NANPA utilized central office code file.

When Riverbank's exchanges were assigned

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

Riverbank, CA: exchanges by decade assigned
Decade assignedExchangesShare
2000s125%
2010s125%
2020s250%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Riverbank

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

Keeping an existing Riverbank number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 209 when you pick it.

The local business market

Riverbank is part of the Modesto, CA metro area, home to 557,000 people in 2024. County Business Patterns counted 10,013 business establishments in the Modesto, CA metro area in 2023, employing 152,942 people. The largest sectors by establishment count are retail trade (1,477), health care and social assistance (1,259), and accommodation and food services (1,071).

Selected industries in the Modesto, CA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants4328,39319.4
Full-service restaurants3156,13119.5
Physician practices2763,59013.0
Dental offices2482,0748.4
General freight trucking companies (local)2168844.1
Insurance agencies and brokerages1808564.8
Offices of real estate agents and brokers1543102.0
General automotive repair shops1546354.1

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

Business phone service in Riverbank

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 Riverbank 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 Modesto, CA 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 Riverbank, CA?

Riverbank has exchanges in 209 and 350; 209 has the most.

How many phone companies have exchanges in Riverbank?

6, holding 8 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Riverbank 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 Riverbank?

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).