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Jennings, MO Area Codes

Jennings, Missouri (population 13,093) uses area codes 314 and 557.

Area code314
Area code557
Time zoneCentral
Local time now…

Jennings has no telephone exchange of its own in NANPA records; it is served by the St. Louis exchange about 9.9 km away.

JenningsSt. LouisOakvilleUniversity CityKirkwoodMehlvilleMaryland HeightsWebster GrovesArnoldAfftonCreve CoeurSpanish LakeConcordJennings
Jennings and nearby cities in area code 314

Carriers with Jennings numbers

334 prefixes are assigned to the St. Louis exchange: 20% mobile, 25% VoIP and cable, 55% landline.

CarrierPrefixes
AT&T (Southwestern Bell)128
T-Mobile32
AT&T Mobility24
Onvoy (Sinch)23
AT&T (Teleport)17
Spok14
Verizon Business (MCImetro)14
American Messaging Services11

Area codes used in Jennings

Area codePrefixes serving JenningsMain carriers in this code
314298AT&T (Southwestern Bell), AT&T Mobility, T-Mobile
55736AT&T Mobility, Onvoy (Sinch), AT&T (Teleport)

Jennings phone number prefixes

Numbers starting with these first six digits were originally assigned to the St. Louis exchange.

Nearby cities in area code 314

Questions

What is the area code for Jennings, MO?
Jennings 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 Jennings in?
Jennings is in the Central time zone.