Get a local business phone number in East Chicago, IN
East Chicago's area code, prefixes and carriers from NANPA records, and how to put a East Chicago number in front of your customers.
- Area code
- 219
- Exchanges
- 22NANPA-assigned
- Carriers
- 7
- Population
- 25,768Census 2024 est.
What area code is East Chicago, IN?
East Chicago city is a Census place in Lake County, Indiana, with an estimated 25,768 residents in 2024. All 22 exchanges NANPA lists for its rate center are in area code 219. East Chicago is in the Eastern and Central time zone.
According to NANPA's dialing-plan data, local calls within 219 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 219 | 22 | 100% | 1948 | none | Eastern and Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in East Chicago
7 carriers hold the 22 exchanges assigned to East Chicago's rate center. T-mobile USA, INC. has the most, with 10. 19 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in East Chicago can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| T-mobile USA, INC. | 10 | 45% |
| Indiana Bell Tel CO INC | 7 | 32% |
| First Communications, LLC | 1 | 4.5% |
| Bandwidth.com CLEC, LLC - In | 1 | 4.5% |
| Ton80 Communications, LLC | 1 | 4.5% |
| Onvoy, LLC - In | 1 | 4.5% |
| Centurylink Communications, LLC | 1 | 4.5% |
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 East Chicago
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to East Chicago. The earliest assignment date recorded in the file for these codes is 2002. 5 of the 22 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 219 | 256, 276, 289, 298, 315, 316, 341, 354, 377, 378, 391, 392, 397, 398, 399, 413, 466, 516, 703, 800, 801, 804 |
Source: NANPA utilized central office code file.
When East Chicago's exchanges were assigned
The table groups East Chicago's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 19% |
| 2010s | 8 | 50% |
| 2020s | 5 | 31% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in East Chicago
NANPA ties every exchange to a rate center. For East Chicago that is E CHICAGO, so a number from one of these exchanges reads as local to people in and around East Chicago.
New local numbers are drawn from carrier inventory, so the exact 219 numbers available change over time; porting an existing number is free.
Who does business near East Chicago
East Chicago 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.
Business phone service in East Chicago
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 East Chicago 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 East Chicago, IN?
219. All exchanges NANPA lists for East Chicago are in 219.
How many phone companies have exchanges in East Chicago?
7, holding 22 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing East Chicago 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 East Chicago?
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).