Markham, IL Area Codes
Markham, Illinois (population 11,274) uses area codes 708 and 464.
Markham has no telephone exchange of its own in NANPA records; it is served by the Harvey exchange about 3.3 km away.
Carriers with Markham numbers
31 prefixes are assigned to the Harvey exchange: 35% mobile, 19% VoIP and cable, 45% landline.
| Carrier | Prefixes |
|---|---|
| T-Mobile | 11 |
| AT&T (Illinois Bell) | 9 |
| AT&T (Teleport) | 3 |
| Paetec Itel | 2 |
| Verizon Business (MCImetro) | 2 |
| Lumen (Level 3) | 1 |
| Rcn Telecom Services Of Illinios | 1 |
| Eon Telecom | 1 |
Area codes used in Markham
| Area code | Prefixes serving Markham | Main carriers in this code |
|---|---|---|
| 708 | 28 | AT&T (Illinois Bell), T-Mobile, AT&T Mobility |
| 464 | 3 | AT&T Mobility, Onvoy (Sinch), Fractel |
Markham phone number prefixes
Numbers starting with these first six digits were originally assigned to the Harvey exchange.
708-210AT&T (Illinois Bell)708-225AT&T (Illinois Bell)708-232AT&T (Illinois Bell)708-271Lumen (Level 3)708-331AT&T (Illinois Bell)708-333AT&T (Illinois Bell)708-335AT&T (Illinois Bell)708-339AT&T (Illinois Bell)708-362Paetec Itel708-439T-Mobile708-501T-Mobile708-517T-Mobile708-527T-Mobile708-566Verizon Business (MCImetro)708-589Verizon Business (MCImetro)708-596AT&T (Illinois Bell)708-640T-Mobile708-713Paetec Itel708-825AT&T (Teleport)708-875T-Mobile708-893Rcn Telecom Services Of Illinios708-913T-Mobile708-915AT&T (Illinois Bell)708-916T-Mobile708-932T-Mobile708-940T-Mobile708-953T-Mobile708-985AT&T (Teleport)464-237Eon Telecom464-333Fractel464-567AT&T (Teleport)
Nearby cities in area code 708
- Cicero
- Schaumburg
- Orland Park
- Oak Lawn
- Tinley Park
- Berwyn
- Oak Park
- Calumet City
- Northbrook
- Burbank
- Lansing
- Oak Forest
Questions
- What is the area code for Markham, IL?
- Markham uses 2 area codes: 708 and 464. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Markham in?
- Markham is in the Central time zone.