CallataGuidesGet a local business phone number in Davis, CA
Davis's area code, prefixes and carriers from NANPA records, and how to put a Davis number in front of your customers.
- Area code
- 530
- Exchanges
- 33NANPA-assigned
- Carriers
- 12
- Population
- 67,125Census 2024 est.
Area codes in Davis
Davis, in Yolo County, California, had a Census-estimated population of 67,125 in July 2024. All 33 exchanges NANPA lists for its rate center are in area code 530. 530 is part of an overlay with 837, so a new local number in Davis may carry any of those codes depending on which have numbers available. Davis is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 530 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 530 | 33 | 100% | 1997 | 837 | Pacific |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Davis phone exchanges
12 carriers hold the 33 exchanges assigned to Davis's rate center. Pacific Bell has the most, with 11. 24 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Davis can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Pacific Bell | 11 | 33% |
| New Cingular Wireless PCS, LLC | 5 | 15% |
| T-mobile USA, INC. | 3 | 9.1% |
| Onvoy, LLC - CA | 3 | 9.1% |
| Level 3 Communications, LLC - CA | 3 | 9.1% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 2 | 6.1% |
| Ip Horizon LLC | 1 | 3.0% |
| Mcimetro Access Transmission Services LLC | 1 | 3.0% |
| Commio, LLC | 1 | 3.0% |
| Bandwidth.com CLEC, LLC - CA | 1 | 3.0% |
| Teleport Communications America, LLC - CA | 1 | 3.0% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 1 | 3.0% |
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 Davis
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Davis's rate center (DAVIS). The earliest assignment date recorded in the file for these codes is 2001. 3 of the 33 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 530 | 204, 219, 220, 231, 297, 298, 302, 304, 341, 376, 400, 554, 564, 574, 601, 746, 747, 750, 752, 753, 754, 756, 757, 758, 759, 760, 761, 771, 792, 808, 902, 916, 979 |
Source: NANPA utilized central office code file.
When Davis's exchanges were assigned
Assignment dates show when each block of Davis numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 4 | 57% |
| 2020s | 3 | 43% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Davis
What a caller sees as "local" is the area code plus prefix. In Davis, those come from the DAVIS rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 530 numbers available change over time; porting an existing number is free.
The local business market
Davis is part of the Sacramento-Roseville-Folsom, CA metro area, home to 2.5 million people in 2024. County Business Patterns counted 55,974 business establishments in the Sacramento, CA metro area in 2023, employing 825,511 people. The largest sectors by establishment count are professional, scientific, and technical services (7,449), health care and social assistance (6,924), and construction (6,208).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,027 | 36,692 | 18.1 |
| Full-service restaurants | 1,815 | 35,856 | 19.8 |
| Offices of real estate agents and brokers | 1,368 | 3,110 | 2.3 |
| Dental offices | 1,238 | 9,162 | 7.4 |
| Law offices | 1,194 | 7,580 | 6.3 |
| Physician practices | 1,108 | 16,439 | 14.8 |
| Residential remodelers | 1,094 | 4,683 | 4.3 |
| Management consulting firms | 904 | 5,308 | 5.9 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Davis business line
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.
If you already have a number in Davis, 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 Sacramento, 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 Davis, CA?
530. All exchanges NANPA lists for Davis are in 530.
How many phone companies have exchanges in Davis?
12, holding 33 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Davis 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 Davis?
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).