Get a local business phone number in Lombard, IL
Lombard's area codes, prefixes and carriers from NANPA records, and how to put a Lombard number in front of your customers.
- Area code
- 630 / 331
- Exchanges
- 50NANPA-assigned
- Carriers
- 13
- Population
- 44,490Census 2024 est.
What area code is Lombard, IL?
With 44,490 residents in the Census 2024 estimate, Lombard sits in DuPage County, Illinois. NANPA lists 50 exchanges for its rate center across 2 area codes; 630 has the most (37, 74%). 630 is part of an overlay with 331, so a new local number in Lombard may carry any of those codes depending on which have numbers available. Lombard is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 630 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Who holds Lombard phone exchanges
13 carriers hold the 50 exchanges assigned to Lombard's rate center. Illinois Bell Tel CO has the most, with 17. 36 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 |
|---|---|---|
| Illinois Bell Tel CO | 17 | 34% |
| T-mobile USA, INC. | 6 | 12% |
| Onvoy, LLC | 5 | 10% |
| Mcimetro Access Transmission Services LLC - Il | 5 | 10% |
| New Cingular Wireless PCS, LLC - Il | 4 | 8.0% |
| Teleport Communications America, LLC - Il | 4 | 8.0% |
| Paetec Itel, LLC | 2 | 4.0% |
| Level 3 Communications, LLC - Il | 2 | 4.0% |
| Vonage America LLC | 1 | 2.0% |
| Ton80 Communications, LLC | 1 | 2.0% |
| Fractel, LLC | 1 | 2.0% |
| Mcimetro Access Transmission Services LLC | 1 | 2.0% |
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.
Lombard phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Lombard's rate center (LOMBARD). The earliest assignment date recorded in the file for these codes is 2001. 6 of the 50 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 331 | 217, 241, 242, 243, 267, 277, 307, 315, 322, 462, 551, 627, 899 |
| 630 | 261, 268, 282, 290, 317, 376, 396, 424, 426, 489, 495, 519, 576, 599, 613, 620, 627, 629, 652, 656, 678, 691, 693, 705, 748, 785, 792, 812, 827, 847, 873, 889, 916, 925, 932, 935, 953 |
Source: NANPA utilized central office code file.
When Lombard's exchanges were assigned
The table groups Lombard's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 7 | 41% |
| 2010s | 4 | 24% |
| 2020s | 6 | 35% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Lombard
NANPA ties every exchange to a rate center. For Lombard that is LOMBARD, so a number from one of these exchanges reads as local to people in and around Lombard.
Keeping an existing Lombard number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 630 when you pick it.
Who does business near Lombard
Lombard is part of the Chicago-Naperville-Elgin, IL-IN metro area, home to 9.4 million people in 2024. County Business Patterns counted 248,519 business establishments in the Chicago, IL-IN metro area in 2023, employing 4,285,971 people. The largest sectors by establishment count are professional, scientific, and technical services (32,828), health care and social assistance (29,768), and retail trade (25,308).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 8,179 | 139,869 | 17.1 |
| Full-service restaurants | 7,371 | 149,532 | 20.3 |
| Law offices | 5,865 | 46,449 | 7.9 |
| Physician practices | 5,693 | 80,101 | 14.1 |
| Residential remodelers | 5,230 | 12,655 | 2.4 |
| Dental offices | 4,881 | 30,767 | 6.3 |
| Offices of real estate agents and brokers | 4,252 | 11,786 | 2.8 |
| General freight trucking companies (local) | 4,040 | 14,869 | 3.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Lombard 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.
Porting a number you already use in Lombard 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 17-person team is the benchmark here, the rounded average establishment size in the Chicago, IL-IN metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. Callata comes to $339.00 a month for 17 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Lombard, IL?
Lombard has exchanges in 630 and 331; 630 has the most.
How many phone companies have exchanges in Lombard?
13, holding 50 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Lombard 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 Lombard?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).