CallataGuidesGet a local business phone number in Chula Vista, CA
Chula Vista's area codes, prefixes and carriers from NANPA records, and how to put a Chula Vista number in front of your customers.
- Area code
- 619 / 858
- Exchanges
- 164NANPA-assigned
- Carriers
- 21
- Population
- 278,546Census 2024 est.
Area codes in Chula Vista
Chula Vista city is a Census place in San Diego County, California, with an estimated 278,546 residents in 2024. NANPA lists 164 exchanges for its rate center across 2 area codes; 619 has the most (146, 89%). 619 is part of an overlay with 858, so a new local number in Chula Vista may carry any of those codes depending on which have numbers available. Chula Vista 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.
Phone carriers in Chula Vista
21 carriers hold the 164 exchanges assigned to Chula Vista's rate center. T-mobile USA, INC. has the most, with 38. 139 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| T-mobile USA, INC. | 38 | 23% |
| Pacific Bell | 28 | 17% |
| New Cingular Wireless PCS, LLC | 27 | 16% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 13 | 7.9% |
| Onvoy, LLC - CA | 11 | 6.7% |
| Metropcs, INC. | 8 | 4.9% |
| Bandwidth.com CLEC, LLC - CA | 8 | 4.9% |
| Level 3 Communications, LLC - CA | 7 | 4.3% |
| Mcimetro Access Transmission Services LLC - CA | 5 | 3.0% |
| Comcast Phone of California, LLC | 5 | 3.0% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 4 | 2.4% |
| Teleport Communications America, LLC - CA | 1 | 0.61% |
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 Chula Vista
These are the central office codes NANPA records for Chula Vista. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 41 of the 164 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 619 | 205, 207, 210, 213, 216, 227, 240, 253, 254, 256, 257, 271, 289, 305, 348, 349, 361, 370, 371, 373, 382, 386, 392, 395, 397, 407, 409, 410, 418, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 451, 476, 482, 483, 484, 489, 494, 495, 498, 500, 502, 506, 513, 547, 551, 565, 575, 576, 585, 587, 591, 598, 600, 601, 614, 616, 617, 621, 622, 623, 628, 632, 636, 638, 646, 650, 651, 653, 656, 661, 662, 671, 678, 679, 690, 691, 703, 706, 710, 712, 721, 730, 734, 735, 737, 739, 745, 746, 748, 751, 754, 755, 759, 761, 763, 769, 777, 779, 781, 796, 799, 815, 816, 827, 830, 836, 845, 852, 853, 862, 863, 864, 869, 870, 872, 874, 879, 882, 883, 897, 902, 904, 927, 932, 934, 936, 939, 941, 942, 943, 946, 947, 948, 949, 960, 974, 986 |
| 858 | 286, 294, 315, 316, 318, 323, 326, 331, 341, 389, 407, 438, 439, 443, 463, 464, 902, 910 |
Source: NANPA utilized central office code file.
When Chula Vista's exchanges were assigned
Assignment dates show when each block of Chula Vista numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 28 | 27% |
| 2010s | 35 | 34% |
| 2020s | 41 | 39% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Chula Vista
NANPA ties every exchange to a rate center. For Chula Vista that is CHULAVISTA, so a number from one of these exchanges reads as local to people in and around Chula Vista.
If your business already has a Chula Vista number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Chula Vista
Chula Vista 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.
Setting up a Chula Vista business line
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 Chula Vista, 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.
The comparison below uses 15 users, the rounded average establishment size in the San Diego, 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. 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 Chula Vista, CA?
Chula Vista has exchanges in 619 and 858; 619 has the most.
How many phone companies have exchanges in Chula Vista?
21, holding 164 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Chula Vista 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 Chula Vista?
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).