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Get a local business phone number in Gary, IN

Gary's area code, prefixes and carriers from NANPA records, and how to put a Gary number in front of your customers.

Area code
219
Exchanges
74NANPA-assigned
Carriers
12
Population
67,555Census 2024 est.

Area codes in Gary

Gary, in Lake County, Indiana, had a Census-estimated population of 67,555 in July 2024. All 74 exchanges NANPA lists for its rate center are in area code 219. Gary 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 codes with exchanges in Gary, IN
Area codeExchanges hereShareIn service sinceOverlay withTime zone
21974100%1948noneEastern and Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Who holds Gary phone exchanges

12 carriers hold the 74 exchanges assigned to Gary's rate center. T-mobile USA, INC. has the most, with 20. 52 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Gary can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Gary, IN
Carrier (NANPA operating company)ExchangesShare
T-mobile USA, INC.2027%
Cellco Partnership d/b/a Verizon Wireless - In1723%
Indiana Bell Tel CO INC1723%
Metropcs, INC.56.8%
New Cingular Wireless PCS, LLC - Il56.8%
Onvoy, LLC - In34.1%
Level 3 Communications, LLC - In22.7%
Comcast Ip Phone, LLC11.4%
Ton80 Communications, LLC11.4%
Fractel, LLC11.4%
American Messaging Services, LLC11.4%
FBN Indiana, INC. - In11.4%

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 Gary

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Gary. The earliest assignment date recorded in the file for these codes is 2001. 7 of the 74 were assigned in 2020 or later.

Prefixes assigned in Gary, IN
Area codePrefixes (NXX)
219200, 201, 238, 239, 240, 269, 290, 292, 293, 302, 313, 314, 318, 321, 343, 359, 366, 376, 384, 414, 427, 433, 455, 484, 487, 512, 545, 546, 588, 614, 677, 678, 688, 689, 699, 702, 712, 713, 730, 741, 742, 743, 746, 777, 781, 789, 792, 798, 805, 806, 808, 810, 880, 881, 882, 883, 884, 885, 886, 887, 888, 895, 902, 938, 939, 944, 949, 951, 977, 979, 980, 981, 985, 999

Source: NANPA utilized central office code file.

When Gary's exchanges were assigned

Assignment dates show when each block of Gary numbers was added to the local supply.

Gary, IN: exchanges by decade assigned
Decade assignedExchangesShare
2000s1648%
2010s1030%
2020s721%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

How local numbers work in Gary

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Gary's numbers are rated to the GARY rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Gary number.

If your business already has a Gary number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

The local business market

Gary 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).

Selected industries in the Chicago, IL-IN metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants8,179139,86917.1
Full-service restaurants7,371149,53220.3
Law offices5,86546,4497.9
Physician practices5,69380,10114.1
Residential remodelers5,23012,6552.4
Dental offices4,88130,7676.3
Offices of real estate agents and brokers4,25211,7862.8
General freight trucking companies (local)4,04014,8693.7

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Setting up a Gary business line

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 Gary, 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.

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. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer 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 Gary, IN?

219. All exchanges NANPA lists for Gary are in 219.

How many phone companies have exchanges in Gary?

12, holding 74 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Gary 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 Gary?

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).