Granby, Massachusetts Area Codes

Map of Granby Local time Prefixes

Map of Granby

Local time – 1 timezone

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Atlantic timezone

Prefixes – 2 codes

Prefix

Type

Location

Carrier

Assigned

Landline

Comcast Phone of Massachusetts, Inc. - MA

2011/08/24

(413) 255-0

Landline

Comcast Phone of Massachusetts, Inc. - MA

2011/08/25

(413) 255-2

Wireless

Onvoy Spectrum, LLC

2021/08/03

(413) 255-5

Wireless

Onvoy Spectrum, LLC

2021/03/04

(413) 467

Landline

Granby Telephone LLC

-