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Grain Valley, MO Area Codes
Grain Valley, Missouri (population 16,908) uses area codes 816 and 975.
Carriers with Grain Valley numbers
5 prefixes are assigned to the Grain Valley exchange: 0% mobile, 40% VoIP and cable, 60% landline.
| Carrier | Prefixes |
|---|---|
| Onvoy (Sinch) | 2 |
| AT&T (Southwestern Bell) | 2 |
| Paetec Itel | 1 |
Area codes used in Grain Valley
| Area code | Prefixes serving Grain Valley | Main carriers in this code |
|---|---|---|
| 816 | 4 | AT&T (Southwestern Bell), Aerial Communications, Onvoy (Sinch) |
| 975 | 1 | Onvoy (Sinch), AT&T Mobility, Verizon Wireless |
Grain Valley phone number prefixes
Numbers starting with these first six digits were originally assigned to the Grain Valley exchange.
816-355Onvoy (Sinch)816-443AT&T (Southwestern Bell)816-847AT&T (Southwestern Bell)816-867Paetec Itel975-975Onvoy (Sinch)
Nearby cities in area code 816
- Kansas City
- Independence
- Lee's Summit
- St. Joseph
- Blue Springs
- Liberty
- Raytown
- Gladstone
- Grandview
- Raymore
- Belton
- Kearney
Questions
- What is the area code for Grain Valley, MO?
- Grain Valley uses 2 area codes: 816 and 975. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Grain Valley in?
- Grain Valley is in the Central time zone.