CallataGuidesGet a local business phone number in National City, CA
National City's area codes, prefixes and carriers from NANPA records, and how to put a National City number in front of your customers.
- Area code
- 619 / 858
- Exchanges
- 47NANPA-assigned
- Carriers
- 14
- Population
- 58,460Census 2024 est.
Area codes in National City
National City city is a Census place in San Diego County, California, with an estimated 58,460 residents in 2024. NANPA lists 47 exchanges for its rate center across 2 area codes; 619 has the most (42, 89%). 619 is part of an overlay with 858, so a new local number in National City may carry any of those codes depending on which have numbers available. National City 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.
National City exchanges by carrier
14 carriers hold the 47 exchanges assigned to National City's rate center. Pacific Bell has the most, with 9. 39 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 |
|---|---|---|
| Pacific Bell | 9 | 19% |
| T-mobile USA, INC. | 8 | 17% |
| Metropcs, INC. | 5 | 11% |
| Mcimetro Access Transmission Services LLC - CA | 5 | 11% |
| Onvoy, LLC - CA | 5 | 11% |
| New Cingular Wireless PCS, LLC | 4 | 8.5% |
| Fractel, LLC | 3 | 6.4% |
| Bandwidth.com CLEC, LLC - CA | 2 | 4.3% |
| Level 3 Telecom of California, LP - CA | 1 | 2.1% |
| Level 3 Communications, LLC - CA | 1 | 2.1% |
| Comcast Phone of California, LLC | 1 | 2.1% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 1 | 2.1% |
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 National City
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to National City. The earliest assignment date recorded in the file for these codes is 2001. 8 of the 47 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 619 | 245, 250, 259, 267, 273, 274, 292, 327, 336, 352, 399, 419, 434, 470, 472, 474, 475, 477, 479, 480, 505, 512, 552, 586, 603, 649, 731, 732, 765, 773, 789, 791, 802, 829, 856, 900, 910, 918, 919, 931, 962, 967 |
| 858 | 417, 462, 599, 786, 808 |
Source: NANPA utilized central office code file.
When National City's exchanges were assigned
The table groups National City's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 4 | 20% |
| 2010s | 8 | 40% |
| 2020s | 8 | 40% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in National City
What a caller sees as "local" is the area code plus prefix. In National City, those come from the NATIONALCY rate center, as recorded by NANPA.
If your business already has a National City number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near National City
National City 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.
Business phone service in National City
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
Porting a number you already use in National 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.
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. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 National City, CA?
National City has exchanges in 619 and 858; 619 has the most.
How many phone companies have exchanges in National City?
14, holding 47 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing National 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 National 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).