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Sunset Hills, MO Area Codes
Sunset Hills, Missouri (population 9,075) uses area codes 314 and 557.
Sunset Hills has no telephone exchange of its own in NANPA records; it is served by the Sappington exchange about 3.2 km away.
Carriers with Sunset Hills numbers
30 prefixes are assigned to the Sappington exchange: 13% mobile, 50% VoIP and cable, 37% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Southwestern Bell) | 9 |
| AT&T Mobility | 4 |
| Verizon Business (MCImetro) | 4 |
| Onvoy (Sinch) | 4 |
| Bandwidth | 3 |
| Lumen (Level 3) | 2 |
| AT&T (Teleport) | 1 |
| Peerless Network | 1 |
Area codes used in Sunset Hills
| Area code | Prefixes serving Sunset Hills | Main carriers in this code |
|---|---|---|
| 314 | 25 | AT&T (Southwestern Bell), AT&T Mobility, T-Mobile |
| 557 | 5 | AT&T Mobility, Onvoy (Sinch), AT&T (Teleport) |
Sunset Hills phone number prefixes
Numbers starting with these first six digits were originally assigned to the Sappington exchange.
314-208AT&T Mobility314-270AT&T (Teleport)314-272Verizon Business (MCImetro)314-347Bandwidth314-364AT&T (Southwestern Bell)314-431Verizon Business (MCImetro)314-467AT&T (Southwestern Bell)314-472Verizon Business (MCImetro)314-501Peerless Network314-525AT&T (Southwestern Bell)314-543AT&T (Southwestern Bell)314-635Lumen (Level 3)314-661Bandwidth314-690Lumen (Level 3)314-722Paetec Itel314-729AT&T (Southwestern Bell)314-730AT&T (Southwestern Bell)314-748Verizon Business (MCImetro)314-756Onvoy (Sinch)314-834Bandwidth314-842AT&T (Southwestern Bell)314-843AT&T (Southwestern Bell)314-849AT&T (Southwestern Bell)314-937AT&T Mobility314-948Onvoy (Sinch)557-217AT&T Mobility557-230AT&T Mobility557-259Onvoy (Sinch)557-333Onvoy (Sinch)557-999Wiretap Telecom.
Nearby cities in area code 314
- St. Louis
- Oakville
- University City
- Kirkwood
- Mehlville
- Maryland Heights
- Webster Groves
- Arnold
- Affton
- Creve Coeur
- Spanish Lake
- Concord
Questions
- What is the area code for Sunset Hills, MO?
- Sunset Hills uses 2 area codes: 314 and 557. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Sunset Hills in?
- Sunset Hills is in the Central time zone.