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Glendale Heights, IL Area Codes
Glendale Heights, Illinois (population 32,655) uses area codes 630 and 331.
Glendale Heights has no telephone exchange of its own in NANPA records; it is served by the Glen Ellyn exchange about 5.9 km away.
Carriers with Glendale Heights numbers
17 prefixes are assigned to the Glen Ellyn exchange: 0% mobile, 47% VoIP and cable, 53% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Illinois Bell) | 5 |
| Verizon Business (MCImetro) | 2 |
| Paetec Itel | 2 |
| Lumen (Level 3) | 2 |
| Onvoy (Sinch) | 2 |
| Comcast (Xfinity) | 1 |
| AT&T (Teleport) | 1 |
| Ton80 Communications | 1 |
Area codes used in Glendale Heights
| Area code | Prefixes serving Glendale Heights | Main carriers in this code |
|---|---|---|
| 630 | 14 | AT&T (Illinois Bell), AT&T Mobility, T-Mobile |
| 331 | 3 | Onvoy (Sinch), T-Mobile, Verizon Wireless |
Glendale Heights phone number prefixes
Numbers starting with these first six digits were originally assigned to the Glen Ellyn exchange.
630-348Verizon Business (MCImetro)630-403Paetec Itel630-446Verizon Business (MCImetro)630-469AT&T (Illinois Bell)630-474Comcast (Xfinity)630-534Paetec Itel630-545AT&T (Illinois Bell)630-547Lumen (Level 3)630-790AT&T (Illinois Bell)630-793Onvoy (Sinch)630-858AT&T (Illinois Bell)630-866AT&T (Teleport)630-942AT&T (Illinois Bell)630-984Lumen (Level 3)331-323Onvoy (Sinch)331-466Ton80 Communications331-946Fractel
Nearby cities in area code 630
- Aurora
- Naperville
- Schaumburg
- Bolingbrook
- Wheaton
- Downers Grove
- Elmhurst
- Lombard
- Bartlett
- Oswego
- Carol Stream
- Streamwood
Questions
- What is the area code for Glendale Heights, IL?
- Glendale Heights uses 2 area codes: 630 and 331. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Glendale Heights in?
- Glendale Heights is in the Central time zone.