Phonebook of Ohio.cm
Phonebook of Oklahoma.cm
Phonebook of Oregon.cm
Phonebook of Pennsylvania.cm
Phonebook of Rhode Island.cm

Phonebook of South Carolina.cm
Phonebook of South Dakota.cm

Phonebook of Tennessee.cm
Phonebook of Texas.cm
Phonebook of Utah.cm
Phonebook of Vermont.cm
Phonebook of Virginia.cm

Phonebook of Washington.cm
Phonebook of West Virginia.cm
Phonebook of Wisconsin.cm
Phonebook of Wyoming.cm

When the direct dial system started in I952 area codes were very simple:
2I2 for New York, 2I3 for LA, 2I4 for Dallas, 2I5 for Pennsylvania,
but today,  there are no more guidelines
areacodes by code: 200 - 300 - 400 - 500 - 600 - 700 - 800 - 900
areacodes by area: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P
PARIS - Q - R - S - T - U - V - W - X - Y - Z