NPA
NXX
CLLI
City, ST
Telco
617
239
CMBRMA01X5X
BOSTON
AT&T LOCAL
617
386
CMBRMA01X5X
BOSTON
AT&T LOCAL
617
397
CMBRMA01X5X
CAMBRIDGE
AT&T LOCAL
617
999
CMBRMA01X5X
CAMBRIDGE
AT&T LOCAL