Rockford, Illinois

Illinois · Central (UTC-6) · — · 18 cities

State

Illinois

Major City

Rockford

Time Zone

Central (UTC-6)

Current Local Time

—

Cities Served

Cities Served by Area Code 779 (18 cities)

Belvidere+1 code Bolingbrook+1 code Channahon+1 code Crystal Lake+1 code DeKalb+1 code Freeport+1 code Joliet+1 code Kankakee+1 code Lockport+1 code McHenry+1 code Morris+1 code Ottawa+1 code Plainfield+1 code Pontiac+1 code Rockford+1 code Romeoville+1 code Shorewood+1 code Streator+1 code

Additional Details

Established

2007

Type

Overlay

Active Prefixes

358

Wireless Lines

32%

About Area Code 779

Area code 779 was introduced in 2007 as an overlay code, sharing the same geographic region as an existing area code to meet growing demand for phone numbers in the Rockford area. The area is in the Central time zone. It covers 18 cities and communities including Belvidere, Bolingbrook, Channahon, Crystal Lake, DeKalb and 13 more.

Phone Number Prefixes in Area Code 779

358 active NXX prefixes — 32% wireless, 68% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

Onvoy 48 (13%)AT&T Mobility 42 (12%)Stratus Networks 35 (10%)T-Mobile 25 (7%)Fractel 24 (7%)

Prefix	Carrier	Type	Rate Center
779-200	Verizon Wireless	Wireless	Rockford
779-201	Verizon Wireless	Wireless	La Salle
779-202	Teleport Communications America	Landline	Galena
779-203	T-Mobile	Wireless	Rockford
779-204	Onvoy	Landline	Verona
779-205	AT&T Mobility	Wireless	Joliet
779-206	Verizon Wireless	Wireless	Joliet
779-207	Verizon Wireless	Wireless	Rockford
779-208	Verizon Wireless	Wireless	Rockford
779-209	Peerless Network Of Illinois	Landline	Sandwich
779-210	AT&T	Landline	Rockford
779-211	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-212	Nuso	Landline	De Kalb
779-213	Peerless Network Of Illinois	Landline	Oglesby
779-214	Mediacom Telephony Of Illinois	Landline	Galena
779-215	Ip Horizon	Landline	Tonica
779-216	Peerless Network Of Illinois	Landline	Frankfort
779-217	Boost Subscriberco	Wireless	De Kalb
779-218	Peerless Network Of Illinois	Landline	Watseka
779-219	Commio	Landline	Braidwood
779-220	Bandwidth.com	Landline	Crystal Lk
779-221	Onvoy	Landline	Rockford
779-222	Telnyx	Landline	Sycamore
779-223	Onvoy	Landline	Onarga
779-224	AT&T Mobility	Wireless	Momence
779-225	Verizon Wireless	Wireless	Joliet
779-226	Comcast	Landline	Polo
779-227	Metro by T-Mobile	Wireless	Joliet
779-228	Peerless Network Of Illinois	Landline	Mazon
779-229	Comcast	Landline	Depue
779-230	AT&T Mobility	Wireless	Joliet
779-231	MCI/Verizon	Wireless	Joliet
779-232	Teleport Communications America	Landline	Wilmington
779-233	T-Mobile	Wireless	Joliet
779-234	Bandwidth.com	Landline	Plainfield
779-235	AT&T	Landline	Crescentcy
779-236	T-Mobile	Wireless	Kankakee
779-237	Verizon Wireless	Wireless	Streator
779-238	T-Mobile	Wireless	Rockford
779-239	AT&T Mobility	Wireless	Princeton
779-240	T-Mobile	Wireless	Kankakee
779-241	T-Mobile	Wireless	Morris
779-242	AT&T Mobility	Wireless	Joliet
779-243	AT&T Mobility	Wireless	Frankfort
779-244	AT&T Mobility	Wireless	Mchenry
779-245	T-Mobile	Wireless	Sterling
779-246	Teleport Communications America	Landline	Rochelle
779-247	Verizon Wireless	Wireless	Woodstock
779-248	CenturyLink	Landline	Galena
779-249	Verizon Wireless	Wireless	Dwight
779-250	T-Mobile	Wireless	Sterling
779-251	CenturyLink	Landline	Dixon
779-252	Onvoy	Landline	Plainfield
779-253	Telnyx	Landline	So Beloit
779-254	Comcast	Landline	Frankfort
779-255	Onvoy	Landline	De Kalb
779-256	Vonage	Landline	Rockford
779-257	Bandwidth.com	Landline	Wilmington
779-258	Onvoy	Landline	Herscher
779-259	Onvoy	Landline	Manteno
779-260	AT&T Mobility	Wireless	Joliet
779-261	Spectrum	Landline	Fairbury
779-262	Onvoy	Landline	Oglesby
779-263	Teleport Communications America	Landline	Plainfield
779-264	AT&T Mobility	Wireless	Kankakee
779-265	Lumen/Level 3	Landline	Mchenry
779-266	Telnyx	Landline	Lanark
779-267	AT&T Mobility	Wireless	Joliet
779-268	Teleport Communications America	Landline	St Anne
779-269	MCI/Verizon	Wireless	Rockford
779-270	MCI/Verizon	Wireless	De Kalb
779-271	Csc Wireless	Wireless	Lanark
779-272	Peerless Network Of Illinois	Landline	Rockford
779-273	Onvoy	Landline	Danforth
779-274	Csc Wireless	Wireless	Rockford
779-275	Stratus Networks	Landline	Rockford
779-276	Stratus Networks	Landline	De Kalb
779-277	Telnyx	Landline	Flanagan
779-278	Stratus Networks	Landline	Grandridge
779-279	AT&T Mobility	Wireless	Joliet
779-280	Stratus Networks	Landline	Donovan
779-281	Onvoy	Landline	Toluca
779-282	Stratus Networks	Landline	Martinton
779-283	Stratus Networks	Landline	Richmond
779-284	Stratus Networks	Landline	Sheldon
779-285	Stratus Networks	Landline	Sheridan
779-286	Stratus Networks	Landline	Spring Grv
779-287	Onvoy	Landline	Union
779-288	Onvoy	Landline	Beavervl
779-289	Nuso	Landline	So Beloit
779-290	Stratus Networks	Landline	Milford
779-291	Stratus Networks	Landline	Wonderlake
779-292	Stratus Networks	Landline	Onarga
779-293	Stratus Networks	Landline	New Lenox
779-294	Stratus Networks	Landline	Harding
779-295	Stratus Networks	Landline	Mazon
779-296	Stratus Networks	Landline	Long Point
779-297	Ip Horizon	Landline	Sterling
779-298	Ip Horizon	Landline	Forrest
779-299	Stratus Networks	Landline	Wenona
779-300	T-Mobile	Wireless	Rockford
779-301	T-Mobile	Wireless	Kankakee
779-302	Verizon Wireless	Wireless	Woodstock
779-303	Telnyx	Landline	Plainfield
779-304	Stratus Networks	Landline	Rutland
779-305	Stratus Networks	Landline	Reddick
779-306	Stratus Networks	Landline	Pontiac
779-307	Stratus Networks	Landline	Lostant
779-308	Stratus Networks	Landline	Chatsworth
779-309	Boost Subscriberco	Wireless	So Sharon
779-310	Stratus Networks	Landline	Newmilford
779-311	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-312	Verizon Wireless	Wireless	Woodstock
779-313	Stratus Networks	Landline	Cherry Vly
779-314	Stratus Networks	Landline	Rock Cut
779-315	Stratus Networks	Landline	Roscoe
779-316	Stratus Networks	Landline	Creston
779-317	Stratus Networks	Landline	Kirkland
779-318	Stratus Networks	Landline	Malta
779-319	Stratus Networks	Landline	Maple Park
779-320	Stratus Networks	Landline	Monroe Ctr
779-321	Stratus Networks	Landline	Shabbona
779-322	Stratus Networks	Landline	Thomas
779-323	Ip Horizon	Landline	Rockford
779-324	Bandwidth.com	Landline	Frankfort
779-325	Stratus Networks	Landline	Frankligrv
779-326	Stratus Networks	Landline	Dwight
779-327	Onvoy	Landline	Warren
779-328	Onvoy	Landline	Hanover
779-329	T-Mobile	Wireless	Mendota
779-330	Nuso	Landline	Belvidere
779-331	AT&T Mobility	Wireless	Kankakee
779-332	Onvoy	Landline	Durand
779-333	Onvoy	Landline	Frankfort
779-334	Lumen/Level 3	Landline	De Kalb
779-335	Telnyx	Landline	Rockford
779-336	Fractel	Landline	Woodstock
779-337	Onvoy	Landline	Woodland
779-338	Onvoy	Landline	Crescentcy
779-339	AT&T Mobility	Wireless	Frankfort
779-340	Bandwidth.com	Landline	Coal City
779-341	AT&T Mobility	Wireless	Joliet
779-342	Onvoy	Landline	Dwight
779-343	Onvoy	Landline	German Vly
779-344	Onvoy	Landline	Seward
779-345	Fractel	Landline	Byron
779-346	Fractel	Landline	Capron
779-347	Onvoy	Landline	Winslow
779-348	Teleport Communications America	Landline	Rockford
779-349	T-Mobile	Wireless	Spring Vly
779-350	AT&T Mobility	Wireless	Momence
779-351	Paetec Itel	Landline	Rockford
779-352	Twilio	Landline	Waterman
779-353	Lumen/Level 3	Landline	Forreston
779-354	Lumen/Level 3	Landline	Davis
779-355	Lumen/Level 3	Landline	Harmon
779-356	Fractel	Landline	Crystal Lk
779-357	AT&T Mobility	Wireless	Leaf River
779-358	Bandwidth.com	Landline	Plainfield
779-359	Nuso	Landline	Belvidere
779-360	AT&T Mobility	Wireless	Momence
779-361	Verizon Wireless	Wireless	Kankakee
779-362	Onvoy	Landline	Fairbury
779-363	Nuso	Landline	Rockford
779-364	Nuso	Landline	Streator
779-365	Nuso	Landline	De Kalb
779-366	Hd Carrier	Landline	Rockford
779-367	Nuso	Landline	Sycamore
779-368	Comcast	Landline	Newmilford
779-369	AT&T Mobility	Wireless	Momence
779-370	Boost Subscriberco	Wireless	Rockford
779-371	AT&T Mobility	Wireless	Momence
779-372	T-Mobile	Wireless	Dixon
779-373	Callworks Corporation	Landline	Rockford
779-374	Verizon Wireless	Wireless	Joliet
779-375	AT&T Mobility	Wireless	Joliet
779-376	Commio	Landline	Grant Park
779-377	Skye Telecom	Landline	So Beloit
779-378	Onvoy	Landline	Mchenry
779-379	AT&T Mobility	Wireless	Joliet
779-380	AT&T Mobility	Wireless	Momence
779-381	Verizon Wireless	Wireless	La Salle
779-382	Spectrum	Landline	Genoa
779-383	AT&T Mobility	Wireless	Momence
779-384	T-Mobile	Wireless	Harvard
779-385	AT&T Mobility	Wireless	Momence
779-386	T-Mobile	Wireless	Princeton
779-387	Onvoy	Landline	Poplar Grv
779-388	Spectrum	Landline	Crystal Lk
779-389	Onvoy	Landline	Gardenprri
779-390	T-Mobile	Wireless	Lockport
779-391	Spectrum	Landline	New Lenox
779-392	Spectrum	Landline	Oglesby
779-393	Spectrum	Landline	Watseka
779-394	Spectrum	Landline	Wellington
779-395	Onvoy	Landline	Minooka
779-396	Verizon Wireless	Wireless	Woodstock
779-397	Spectrum	Landline	Cabery
779-398	Onvoy	Landline	Pontiac
779-399	Fractel	Landline	Kinsman
779-400	Ymax Communications	Landline	De Kalb
779-401	AT&T Mobility	Wireless	Kankakee
779-402	AT&T Mobility	Wireless	Momence
779-403	T-Mobile	Wireless	Mchenry
779-404	Onvoy	Landline	Rochelle
779-405	Leap Telecom	Landline	Rockford
779-406	AT&T Mobility	Wireless	Momence
779-407	AT&T Mobility	Wireless	Momence
779-408	Verizon Wireless	Wireless	Joliet
779-409	Metro by T-Mobile	Wireless	Elizabeth
779-410	Twilio	Landline	Stockton
779-411	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-412	AT&T Mobility	Wireless	Momence
779-413	US Cellular	Wireless	Freeport
779-414	US Cellular	Wireless	Freeport
779-415	US Cellular	Wireless	Freeport
779-416	US Cellular	Wireless	Freeport
779-417	US Cellular	Wireless	Freeport
779-418	US Cellular	Wireless	Freeport
779-419	US Cellular	Wireless	Freeport
779-420	US Cellular	Wireless	Freeport
779-421	US Cellular	Wireless	Freeport
779-422	Verizon Wireless	Wireless	De Kalb
779-423	Comcast	Landline	Rockford
779-424	Bandwidth.com	Landline	Rockford
779-425	AT&T	Landline	Forrest
779-426	Ton80 Communications	Landline	Manhattan
779-427	AT&T Mobility	Wireless	Momence
779-428	Wavenation	Landline	Rockford
779-429	AT&T	Landline	Wilmington
779-430	Wavenation	Landline	Sterling
779-431	T-Mobile	Wireless	De Kalb
779-432	Mtco Communications	Landline	Sheffield
779-433	Bandwidth.com	Landline	Dixon
779-434	AT&T Mobility	Wireless	Joliet
779-435	AT&T (IL Bell)	Landline	Joliet
779-436	T-Mobile	Wireless	Plainfield
779-437	AT&T Mobility	Wireless	Momence
779-438	AT&T Mobility	Wireless	Momence
779-439	Verizon Wireless	Wireless	Woodstock
779-440	AT&T Mobility	Wireless	Momence
779-441	AT&T Mobility	Wireless	Momence
779-442	AT&T Mobility	Wireless	Momence
779-443	Comcast	Landline	Granddtour
779-444	Bandwidth.com	Landline	Wonderlake
779-445	Metro by T-Mobile	Wireless	Lockport
779-446	AT&T	Landline	De Kalb
779-447	AT&T Mobility	Wireless	Frankfort
779-456	T-Mobile	Wireless	Joliet
779-463	Ton80 Communications	Landline	Morris
779-465	Fractel	Landline	Braidwood
779-466	Ton80 Communications	Landline	Emington
779-475	Spectrum	Landline	So Beloit
779-479	Onvoy	Landline	Graymont
779-499	Skye Telecom	Landline	Freeport
779-500	Teleport Communications America	Landline	Rockford
779-511	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-513	CenturyLink	Landline	Rockford
779-529	Bandwidth.com	Landline	Manteno
779-537	Verizon Wireless	Wireless	Rockford
779-545	Comcast	Landline	Mt Morris
779-548	Bandwidth.com	Landline	Marengo
779-552	Digital Network Access Communications	Landline	Belvidere
779-555	Multiple Ocn Listing	Landline	Dir Asst
779-577	Skye Telecom	Landline	Rockford
779-579	Onvoy	Landline	Kempton
779-599	Fractel	Landline	Paw Paw
779-600	Fractel	Landline	Cissnapark
779-601	Bandwidth.com	Landline	La Salle
779-611	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-624	Ton80 Communications	Landline	Momence
779-625	Ton80 Communications	Landline	Woodstock
779-639	Ton80 Communications	Landline	Mchenry
779-666	Onvoy	Landline	Rockford
779-675	Ton80 Communications	Landline	Ohio
779-677	Fractel	Landline	Freeport
779-678	Fractel	Landline	Rockford
779-679	Onvoy	Landline	Magnolia
779-696	Paetec Itel	Landline	Rockford
779-699	Fractel	Landline	So Beloit
779-700		Landline
779-701	Bandwidth.com	Landline	Kankakee
779-702	T-Mobile	Wireless	Joliet
779-703	T-Mobile	Wireless	Joliet
779-704	MCI/Verizon	Wireless	Mchenry
779-706	Verizon Wireless	Wireless	Sandwich
779-707	Bandwidth.com	Landline	Joliet
779-710	Onvoy	Landline	Rockford
779-711	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-713	T-Mobile	Wireless	Woodstock
779-717	Peerless Network Of Illinois	Landline	Spring Vly
779-722	Fractel	Landline	Ashton
779-729	Onvoy	Landline	Lena
779-732	Fractel	Landline	La Salle
779-739	Twilio	Landline	Forrest
779-746	Ton80 Communications	Landline	Cissnapark
779-749	Onvoy	Landline	Steward
779-758	Fractel	Landline	Joliet
779-759	Onvoy	Landline	Sycamore
779-766	Fractel	Landline	Depue
779-770	AT&T Mobility	Wireless	Rockford
779-771	AT&T Mobility	Wireless	Rockford
779-772	AT&T Mobility	Wireless	Rockford
779-774	Onvoy	Landline	Rockford
779-775	Skye Telecom	Landline	De Kalb
779-777	AT&T Mobility	Wireless	De Kalb
779-778	Onvoy	Landline	Winnebago
779-779	Onvoy	Landline	Chadwick
779-783	Ton80 Communications	Landline	Stockland
779-788	Fractel	Landline	Pecatonica
779-789	Onvoy	Landline	Rockton
779-790	Commio	Landline	Sterling
779-797	Terra Nova Telecom	Landline	Rockford
779-799	Fractel	Landline	Coleta
779-800	Onvoy	Landline	Crystal Lk
779-801	Teleport Communications America	Landline	Kankakee
779-803	Bandwidth.com	Landline	New Lenox
779-804	MCI/Verizon	Wireless	Pontiac
779-809	Metro by T-Mobile	Wireless	Fulton
779-811	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-832	Ton80 Communications	Landline	Cedarpoint
779-837	Ton80 Communications	Landline	Elwood
779-855	Terra Nova Telecom	Landline	Forrest
779-861	Verizon Wireless	Wireless	Dixon
779-867	Commio	Landline	Rockford
779-875	T-Mobile	Wireless	Joliet
779-877	Fractel	Landline	Verona
779-879	Onvoy	Landline	Streator
779-888	Onvoy	Landline	Rockford
779-895	Twilio	Landline	Rockford
779-899	Fractel	Landline	Lisbon
779-900	Fractel	Landline	Frankfort
779-901	Bandwidth.com	Landline	Marengo
779-902	Spectrum	Landline	De Kalb
779-903	Onvoy	Landline	Braidwood
779-904	Spectrum	Landline	Freeport
779-910	Onvoy	Landline	De Kalb
779-911	Multiple Ocn Listing	Landline	Xxxxxxxxxx
779-915	T-Mobile	Wireless	Woodstock
779-922	Fractel	Landline	Hooppole
779-927	Ton80 Communications	Landline	Marengo
779-931	Frontier	Landline	Sandwich
779-933	Fractel	Landline	Hinckley
779-939	AT&T Mobility	Wireless	Joliet
779-946	Fractel	Landline	Granville
779-950		Landline
779-958		Landline
779-959		Landline
779-970	Verizon Wireless	Wireless	Rockford
779-976		Landline
779-977	Fractel	Landline	Harvard
779-978	US Cellular	Wireless	Sandwich
779-979	Onvoy	Landline	Piper City
779-990	Commio	Landline	Forrest
779-991	Onvoy	Landline	Leland
779-994	Peerless Network Of Illinois	Landline	Crystal Lk
779-997	Ton80 Communications	Landline	Plattville
779-999	Peerless Network Of Illinois	Landline	Newark

All 17 area codes in Illinois

779217 224 309 312 331 447 464 618 630 708 730 773 815 847 861 872

About Area Code 779

Back in 2007, area code 779 showed up in Illinois as an overlay for the existing 815 code. That happened because the original one was running out of numbers fast, thanks to all the growth in northern Illinois. Folks in places like Rockford were expanding their businesses and families, so they needed more lines for everything from factory calls to neighborhood chats. Picture this: Rockford, with its mix of factories and green spaces, suddenly had to handle more phone traffic, and that's where 779 stepped in. It's not the oldest code around, but it quickly became a go-to for the region, covering spots like Belvidere's auto plants or Joliet's historic sites. If you're dialing into DeKalb or Freeport, you might hit 779 numbers linking up cornfields and suburbs. What makes it stand out? It's all about that everyday hustle in the heart of the Midwest, where people rely on these codes to connect over local events or work deals. Take Crystal Lake, for instance; it's got that small-town feel, but with 779, residents stay linked to bigger opportunities nearby. We've got 18 cities under this code, from Kankakee's riverside vibes to Bolingbrook's growing communities, each adding their own flavor to the mix. So, if you're new to the area, remember 779 isn't just digits—it's the lifeline for daily life in these Illinois towns, keeping everything from school calls to emergency alerts running smooth.

⚠ Scam & Spam Alert for 779

Phone scams hit Illinois just like anywhere else, and area code 779 isn't immune. You might get calls from folks pretending to be from the IRS, demanding payment for taxes you don't owe—don't fall for that. Then there's the auto warranty scam, where callers push extended coverage on your car that sounds too good to be true, or the Medicare fraud artists who ask for your personal info to 'update' records. These tricks often start with a sense of urgency, trying to scare you into acting fast. It's straightforward: scammers use local numbers to seem legit, but they're just after your money or data. One tip that helps is to always verify the caller by looking up the organization independently and calling them back on a number you trust, rather than the one they provide. Keep an eye out, but don't let it stop you from answering important calls.

Local Snapshot

Rockford's population sits around 150,000, making it a solid mid-sized city in northern Illinois. Manufacturing drives the economy here, with factories churning out everything from machine parts to furniture, keeping jobs steady for locals. The area's famous for its outdoor spots, like the Rock River where people fish or hike on weekends. Here's something that might surprise you: Rockford has a rich collection of museums, including one dedicated to the history of aviation, drawing history buffs from all over.

Frequently Asked Questions

Where is area code 779?

Area code 779 serves Rockford and surrounding communities in Illinois, including Belvidere, Bolingbrook, Channahon, Crystal Lake, DeKalb and 13 more. It is in the Central time zone.

What cities are in area code 779?

Area code 779 covers 18 cities in Illinois: Belvidere, Bolingbrook, Channahon, Crystal Lake, DeKalb, Freeport, Joliet, Kankakee, Lockport, McHenry, and 8 more

What time zone is 779?

Area code 779 is in the Central time zone (UTC-6).

When was area code 779 created?

Area code 779 was established in 2007 as an overlay to provide additional numbers for the region.

Is 779 a legitimate area code?

Yes, 779 is a valid, active area code assigned to Rockford, Illinois. However, scammers can spoof any area code, so receiving a call from 779 doesn't guarantee the caller is actually in this area.

Why was the 779 area code introduced in 2007 for northern Illinois?

The 779 area code was added as an overlay to meet the growing demand for phone numbers in the Rockford region due to population increases and business expansion. This helped accommodate new residents and companies in cities like Rockford and DeKalb without disrupting existing services. It ensured that the area could continue supporting local communication needs.

What major manufacturing companies are located in the cities served by 779?

Rockford in the 779 area is home to several manufacturing firms, including those in the aerospace and industrial machinery sectors like Woodward and Collins Aerospace. These companies contribute to the local economy by providing jobs in cities such as Freeport and Joliet. The presence of these industries highlights the area's historical focus on precision manufacturing.

How has the 779 area code affected local events in northern Illinois?

The 779 area code has facilitated better coordination for events like the annual Chicago Steaks and Agriculture Fair in DeKalb by providing more phone lines for organizers. This has helped local communities in places like Belvidere and Crystal Lake manage larger crowds and communications. As an overlay, it supports the region's cultural activities without changing existing phone setups.

Rockford, Illinois

Cities Served by Area Code 779 (18 cities)

About Area Code 779

Phone Number Prefixes in Area Code 779

All 17 area codes in Illinois

About Area Code 779

⚠ Scam & Spam Alert for 779

Local Snapshot

Frequently Asked Questions

Why was the 779 area code introduced in 2007 for northern Illinois?

What major manufacturing companies are located in the cities served by 779?

How has the 779 area code affected local events in northern Illinois?

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