Get a local business phone number in Pomona, CA
Pomona's area codes, prefixes and carriers from NANPA records, and how to put a Pomona number in front of your customers.
- Area code
- 909 / 840
- Exchanges
- 67NANPA-assigned
- Carriers
- 19
- Population
- 147,966Census 2024 est.
Area codes in Pomona
With 147,966 residents in the Census 2024 estimate, Pomona sits in Los Angeles County, California. NANPA lists 67 exchanges for its rate center across 2 area codes; 909 has the most (51, 76%). 909 is part of an overlay with 840, so a new local number in Pomona may carry any of those codes depending on which have numbers available. Pomona is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 909 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Phone carriers in Pomona
19 carriers hold the 67 exchanges assigned to Pomona's rate center. New Cingular Wireless PCS, LLC has the most, with 19. 53 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Pomona can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC | 19 | 28% |
| Frontier California INC. | 9 | 13% |
| T-mobile USA, INC. | 7 | 10% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 6 | 9.0% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 4 | 6.0% |
| Onvoy, LLC - CA | 3 | 4.5% |
| Metropcs Networks, LLC | 3 | 4.5% |
| Bandwidth.com CLEC, LLC - CA | 3 | 4.5% |
| Fractel, LLC | 2 | 3.0% |
| Mcimetro Access Transmission Services LLC - CA | 2 | 3.0% |
| Boost Subscriberco L.l.c. | 1 | 1.5% |
| Terra Nova Telecom INC. | 1 | 1.5% |
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 Pomona
These are the central office codes NANPA records for Pomona. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 24 of the 67 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 840 | 202, 225, 226, 230, 231, 238, 243, 259, 260, 264, 267, 275, 333, 345, 777, 837 |
| 909 | 236, 242, 263, 282, 298, 326, 374, 397, 417, 455, 461, 469, 508, 524, 525, 538, 576, 618, 620, 622, 623, 629, 630, 632, 634, 643, 671, 706, 716, 720, 729, 762, 764, 766, 779, 784, 785, 802, 817, 826, 837, 847, 865, 868, 896, 924, 928, 940, 967, 973, 992 |
Source: NANPA utilized central office code file.
When Pomona's exchanges were assigned
The table groups Pomona's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 14 | 31% |
| 2010s | 7 | 16% |
| 2020s | 24 | 53% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Pomona
NANPA ties every exchange to a rate center. For Pomona that is POMONA, so a number from one of these exchanges reads as local to people in and around Pomona.
Keeping an existing Pomona number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 909 when you pick it.
The local business market
Pomona is part of the Los Angeles-Long Beach-Anaheim, CA metro area, home to 12.9 million people in 2024. County Business Patterns counted 411,949 business establishments in the Los Angeles, CA metro area in 2023, employing 5,568,514 people. The largest sectors by establishment count are professional, scientific, and technical services (61,848), health care and social assistance (53,869), and retail trade (38,838).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Physician practices | 13,775 | 86,725 | 6.3 |
| Limited-service restaurants | 12,756 | 218,098 | 17.1 |
| Law offices | 11,330 | 74,795 | 6.6 |
| Full-service restaurants | 11,133 | 237,368 | 21.3 |
| Dental offices | 9,296 | 50,762 | 5.5 |
| Offices of real estate agents and brokers | 8,931 | 19,620 | 2.2 |
| Management consulting firms | 8,377 | 36,309 | 4.3 |
| Insurance agencies and brokerages | 5,786 | 31,913 | 5.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Pomona
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 Pomona 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.
The comparison below uses 14 users, the rounded average establishment size in the Los Angeles, CA metro area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. Callata comes to $279.00 a month for 14 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 | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
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 Pomona, CA?
Pomona has exchanges in 909 and 840; 909 has the most.
How many phone companies have exchanges in Pomona?
19, holding 67 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Pomona 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 Pomona?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).