Get a local business phone number in Calexico, CA
Calexico's area codes, prefixes and carriers from NANPA records, and how to put a Calexico number in front of your customers.
- Area code
- 442 / 760
- Exchanges
- 11NANPA-assigned
- Carriers
- 8
- Population
- 38,744Census 2024 est.
What area code is Calexico, CA?
With 38,744 residents in the Census 2024 estimate, Calexico sits in Imperial County, California. NANPA lists 11 exchanges for its rate center across 2 area codes; 442 has the most (7, 64%). 442 is part of an overlay with 760, so a new local number in Calexico may carry any of those codes depending on which have numbers available. Calexico is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 442 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Phone carriers in Calexico
8 carriers hold the 11 exchanges assigned to Calexico's rate center. Onvoy, LLC - CA has the most, with 2. 9 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Calexico can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Onvoy, LLC - CA | 2 | 18% |
| New Cingular Wireless PCS, LLC | 2 | 18% |
| Pacific Bell | 2 | 18% |
| Peerless Network of California, LLC - CA | 1 | 9.1% |
| Bandwidth.com CLEC, LLC - CA | 1 | 9.1% |
| Fractel, LLC | 1 | 9.1% |
| Teleport Communications America, LLC - CA | 1 | 9.1% |
| Level 3 Communications, LLC - CA | 1 | 9.1% |
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.
Local prefixes for Calexico
These are the central office codes NANPA records for Calexico. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2005. 4 of the 11 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 442 | 200, 250, 252, 367, 409, 432, 460 |
| 760 | 357, 618, 768, 890 |
Source: NANPA utilized central office code file.
When Calexico's exchanges were assigned
The table groups Calexico's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 2 | 29% |
| 2010s | 1 | 14% |
| 2020s | 4 | 57% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Calexico
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Calexico's numbers are rated to the CALEXICO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Calexico number.
Keeping an existing Calexico number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 442 when you pick it.
Who does business near Calexico
Calexico 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.
Business phone service in Calexico
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.
Porting a number you already use in Calexico 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 13-person team is the benchmark here, the rounded average establishment size in the El Centro, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $390.00 a month and Ooma Office Pro $324.35. Callata comes to $259.00 a month for 13 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 | $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 Calexico, CA?
Calexico has exchanges in 442 and 760; 442 has the most.
How many phone companies have exchanges in Calexico?
8, holding 11 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Calexico 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 Calexico?
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).