| Answer | Crossword Clue |
|---|---|
| NOS | Pts. of area codes |
| TWO | Start of D.C.'s ZIP codes or area code |
| THREEDIGIT | Like area codes |
| INPATNERHESES | Like area codes, often |
| NOS | Area codes, e.g. (abbr.) |
| TEXAS | State with 20 area codes |
| NUMERALS | Area codes, zip codes, etc. |
| NOS | Zip codes, area codes, etc.: Abbr. |
| EXTS | They're way after area codes: abbr. |
| OHIO | State with area codes 216, 440, and 614 |
