CallataGuidesGet a local business phone number in Coronado, CA
Coronado's area codes, prefixes and carriers from NANPA records, and how to put a Coronado number in front of your customers.
- Area code
- 619 / 858
- Exchanges
- 26NANPA-assigned
- Carriers
- 10
- Population
- 18,031Census 2024 est.
What area code is Coronado, CA?
Coronado city is a Census place in San Diego County, California, with an estimated 18,031 residents in 2024. NANPA lists 26 exchanges for its rate center across 2 area codes; 619 has the most (22, 85%). 619 is part of an overlay with 858, so a new local number in Coronado may carry any of those codes depending on which have numbers available. Coronado is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 619 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Who holds Coronado phone exchanges
10 carriers hold the 26 exchanges assigned to Coronado's rate center. T-mobile USA, INC. has the most, with 8. 23 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Coronado can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| T-mobile USA, INC. | 8 | 31% |
| Pacific Bell | 5 | 19% |
| Fractel, LLC | 3 | 12% |
| Mcimetro Access Transmission Services LLC - CA | 2 | 7.7% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 2 | 7.7% |
| Onvoy, LLC - CA | 2 | 7.7% |
| Teleport Communications America, LLC - CA | 1 | 3.8% |
| Level 3 Telecom of California, LP - CA | 1 | 3.8% |
| Level 3 Communications, LLC - CA | 1 | 3.8% |
| New Cingular Wireless PCS, LLC | 1 | 3.8% |
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.
Local prefixes for Coronado
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Coronado. The earliest assignment date recorded in the file for these codes is 2001. 4 of the 26 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 619 | 215, 313, 319, 347, 365, 435, 437, 459, 519, 522, 537, 545, 554, 568, 675, 762, 775, 805, 841, 865, 878, 996 |
| 858 | 399, 422, 448, 898 |
Source: NANPA utilized central office code file.
When Coronado's exchanges were assigned
Assignment dates show when each block of Coronado numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 5 | 45% |
| 2010s | 2 | 18% |
| 2020s | 4 | 36% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Coronado
NANPA ties every exchange to a rate center. For Coronado that is CORONADO, so a number from one of these exchanges reads as local to people in and around Coronado.
If your business already has a Coronado number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Coronado
Coronado is part of the San Diego-Chula Vista-Carlsbad, CA metro area, home to 3.3 million people in 2024. County Business Patterns counted 93,407 business establishments in the San Diego, CA metro area in 2023, employing 1,391,721 people. The largest sectors by establishment count are professional, scientific, and technical services (16,216), health care and social assistance (11,649), and retail trade (9,207).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 3,086 | 55,315 | 17.9 |
| Offices of real estate agents and brokers | 2,942 | 5,502 | 1.9 |
| Full-service restaurants | 2,650 | 63,776 | 24.1 |
| Physician practices | 2,576 | 20,135 | 7.8 |
| Law offices | 2,536 | 15,617 | 6.2 |
| Management consulting firms | 2,194 | 11,206 | 5.1 |
| Dental offices | 1,927 | 12,563 | 6.5 |
| Residential remodelers | 1,691 | 8,003 | 4.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Coronado 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.
If you already have a number in Coronado, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
A 15-person team is the benchmark here, the rounded average establishment size in the San Diego, 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. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per 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 Coronado, CA?
Coronado has exchanges in 619 and 858; 619 has the most.
How many phone companies have exchanges in Coronado?
10, holding 26 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Coronado 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 Coronado?
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).