CallataGuidesGet a local business phone number in Imperial, CA
Imperial's area codes, prefixes and carriers from NANPA records, and how to put a Imperial number in front of your customers.
- Area code
- 760 / 442
- Exchanges
- 7NANPA-assigned
- Carriers
- 5
- Population
- 22,102Census 2024 est.
What area code is Imperial, CA?
Imperial, in Imperial County, California, had a Census-estimated population of 22,102 in July 2024. NANPA lists 7 exchanges for its rate center across 2 area codes; 760 has the most (5, 71%). 760 is part of an overlay with 442, so a new local number in Imperial may carry any of those codes depending on which have numbers available. Imperial is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 760 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Who holds Imperial phone exchanges
5 carriers hold the 7 exchanges assigned to Imperial's rate center. Onvoy, LLC - CA has the most, with 3. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Onvoy, LLC - CA | 3 | 43% |
| Pacific Bell | 1 | 14% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 1 | 14% |
| AT&T - Local | 1 | 14% |
| Paetec Itel, LLC | 1 | 14% |
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 Imperial
These are the central office codes NANPA records for Imperial. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2012. 1 of the 7 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 442 | 206, 501 |
| 760 | 355, 457, 483, 545, 919 |
Source: NANPA utilized central office code file.
When Imperial's exchanges were assigned
Assignment dates show when each block of Imperial numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 2 | 67% |
| 2020s | 1 | 33% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Imperial
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Imperial's numbers are rated to the IMPERIAL rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Imperial number.
New local numbers are drawn from carrier inventory, so the exact 760 numbers available change over time; porting an existing number is free.
Businesses around Imperial
Imperial is part of the El Centro, CA metro area, home to 182,000 people in 2024. County Business Patterns counted 2,677 business establishments in the El Centro, CA metro area in 2023, employing 34,323 people. The largest sectors by establishment count are retail trade (437), health care and social assistance (328), and accommodation and food services (272).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 110 | 2,133 | 19.4 |
| Physician practices | 84 | 872 | 10.4 |
| Full-service restaurants | 73 | 1,275 | 17.5 |
| Residential property managers | 62 | — | — |
| Insurance agencies and brokerages | 58 | 193 | 3.3 |
| General freight trucking companies (local) | 53 | 158 | 3.0 |
| Child day care services | 48 | 173 | 3.6 |
| Plumbing, heating and air-conditioning contractors | 35 | 297 | 8.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Imperial 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 Imperial, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the El Centro, CA metro area, 13 users on RingCentral RingEX Core come to $390.00 a month and on Ooma Office Pro $324.35, at month-to-month list prices checked September 28, 2026. On Callata the same 13 people cost $259.00 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 | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
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 Imperial, CA?
Imperial has exchanges in 760 and 442; 760 has the most.
How many phone companies have exchanges in Imperial?
5, holding 7 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Imperial 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 Imperial?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).