NPA
NXX
CLLI
City, ST
Telco
208
253
CNCLIDXCRS1
COUNCIL
CAMBRIDGE TELEPHONE COMPANY
208
256
INVYIDXCRS1
INDIAN VLY
CAMBRIDGE TELEPHONE COMPANY
208
257
CMBRIDXCDS0
CAMBRIDGE
CAMBRIDGE TELEPHONE COMPANY
208
258
CPRMIDXCRS1
CUPRUM
CAMBRIDGE TELEPHONE COMPANY
208
259
LWMNIDXCRS1
LOWMAN
CAMBRIDGE TELEPHONE COMPANY