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Alpharetta, GA Area Codes

Alpharetta, Georgia (population 66,921) uses area codes 470, 678, 770 and 943.

Area code470
Area code678
Area code770
Area code943
Time zoneEastern
Local time now…

Alpharetta has no telephone exchange of its own in NANPA records; it is served by the Cumming exchange about 19.7 km away.

AlpharettaAtlantaSouth FultonSandy SpringsJohns CreekMabletonMariettaStonecrestBrookhavenSmyrnaDunwoodyGainesvilleNewnanAlpharetta
Alpharetta and nearby cities in area code 470

Carriers with Alpharetta numbers

53 prefixes are assigned to the Cumming exchange: 15% mobile, 42% VoIP and cable, 43% landline.

CarrierPrefixes
Southern Bell Tel & Tel11
AT&T Mobility7
Bandwidth7
Onvoy (Sinch)6
Paetec Itel4
Metropcs4
AT&T (Teleport)3
Lumen (Level 3)2

Area codes used in Alpharetta

Area codePrefixes serving AlpharettaMain carriers in this code
47019Verizon Wireless, AT&T Mobility, T-Mobile
67815Paetec Itel, Lumen (Level 3), Southern Bell Tel & Tel
77012Southern Bell Tel & Tel, AT&T Mobility, Verizon Wireless
9437Onvoy (Sinch), T-Mobile, AT&T (Teleport)

Alpharetta phone number prefixes

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

Nearby cities in area code 470

Questions

What is the area code for Alpharetta, GA?
Alpharetta uses 4 area codes: 470, 678, 770 and 943. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Alpharetta in?
Alpharetta is in the Eastern time zone.