Prefix (603) 631- is primarily in Colebrook, New Hampshire, and includes 651 phone numbers.

Area Code:

603

City/State:

Colebrook, NH

ZIP (primary):

03576

County:

Coos

Type:

Mobile

Company/Carrier:

United States Cellular Corp. - New Hampshire

Time Zone:

Eastern (1:59 pm)

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Phone numbers in (603) 631-