Area code 603


Area code 603

North American area code 603 is the state of New Hampshire's sole area code. Area code 603 was created as one of the original area codes in October, 1947.

External links

Area Code Box 4|State=NH
This=area code 603 | N=819
S=351/978, 413
E=207
W=802
S1=MA | S2=ME | S3=QC | S4=VT


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