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Get a local business phone number in Mendota, CA

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

Area code
559
Exchanges
4NANPA-assigned
Carriers
4
Population
12,623Census 2024 est.

Area codes in Mendota

Mendota city is a Census place in Fresno County, California, with an estimated 12,623 residents in 2024. All 4 exchanges NANPA lists for its rate center are in area code 559. 559 is part of an overlay with 357, so a new local number in Mendota may carry any of those codes depending on which have numbers available. Mendota is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 559 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Mendota, CA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
5594100%1998357Pacific

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

Mendota exchanges by carrier

4 carriers hold the 4 exchanges assigned to Mendota's rate center. Level 3 Communications, LLC - CA 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.

Carriers holding exchanges in Mendota, CA
Carrier (NANPA operating company)ExchangesShare
Level 3 Communications, LLC - CA125%
Level 3 Telecom of California, LP - CA125%
Bandwidth.com CLEC, LLC - CA125%
Pacific Bell125%

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 Mendota

These are the central office codes NANPA records for Mendota. A caller seeing one of them recognizes a local number. None were assigned in 2020 or later.

Prefixes assigned in Mendota, CA
Area codePrefixes (NXX)
559242, 382, 424, 655

Source: NANPA utilized central office code file.

What makes a number local to Mendota

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

New local numbers are drawn from carrier inventory, so the exact 559 numbers available change over time; porting an existing number is free.

The local business market

Mendota is part of the Fresno, CA metro area, home to 1.2 million people in 2024. County Business Patterns counted 21,510 business establishments in the Fresno, CA metro area in 2023, employing 332,203 people. The largest sectors by establishment count are health care and social assistance (3,003), retail trade (2,752), and accommodation and food services (2,122).

Selected industries in the Fresno, CA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants89516,91318.9
Physician practices7106,6809.4
Full-service restaurants58611,82520.2
General freight trucking companies (local)476——
Dental offices4734,0778.6
Law offices4092,6346.4
Insurance agencies and brokerages3872,1985.7
Offices of real estate agents and brokers334——

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

A Mendota 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 Mendota 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 15-person team is the benchmark here, the rounded average establishment size in the Fresno, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. 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 Mendota, CA?

559. All exchanges NANPA lists for Mendota are in 559.

How many phone companies have exchanges in Mendota?

4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Mendota 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 Mendota?

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).