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Waltham, MA Area Codes

Waltham, Massachusetts (population 65,037) uses area codes 781, 617 and 339.

Area code781
Area code617
Area code339
Time zoneEastern
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WalthamLynnMaldenRevereMedfordWeymouth TownArlingtonWoburnBraintree TownRandolph TownLexingtonNeedhamNorwoodWaltham
Waltham and nearby cities in area code 781

Carriers with Waltham numbers

86 prefixes are assigned to the Waltham exchange: 20% mobile, 24% VoIP and cable, 56% landline.

CarrierPrefixes
Verizon31
AT&T Mobility12
Verizon Business (MCImetro)9
Tc Systems6
Verizon Wireless5
Paetec Itel5
Bandwidth4
Comcast (Xfinity)4

Area codes used in Waltham

Area codePrefixes serving WalthamMain carriers in this code
78173Verizon, Verizon Business (MCImetro), Paetec Itel
6179Verizon, Verizon Business (MCImetro), AT&T Mobility
3394Verizon Wireless, Onvoy (Sinch), Paetec Itel

Waltham phone number prefixes

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

Nearby cities in area code 781

Questions

What is the area code for Waltham, MA?
Waltham uses 3 area codes: 781, 617 and 339. Different parts of the area are served by different codes.
What time zone is Waltham in?
Waltham is in the Eastern time zone.