We use a blend of top-tier carriers and our own PSTN gateways to deliver the best VoIP network possible. Simply the best routes for a fair price. When it has to work, depend on WhiteSky Communications.
| Destination | Prefix | 1st/sub Interval | Intrastate | Intrastate |
|---|---|---|---|---|
| Sinai, SD | 1605826 | 6/6 sec | $0.06772 | $0.06328 |
| Sinclairville, NY | 1716962 | 6/6 sec | $0.01824 | $0.02090 |
| Sinking Spring, OH | 1937588 | 6/6 sec | $0.00766 | $0.00750 |
| Sinton, TX | 1361364 | 6/6 sec | $0.00536 | $0.00536 |
| Sinton, TX | 1361424 | 6/6 sec | $0.00136 | $0.00136 |
| Sinton, TX | 1361437 | 6/6 sec | $0.00120 | $0.00120 |
| Sinton, TX | 1361587 | 6/6 sec | $0.00682 | $0.00500 |
| Sinton, TX | 1361607 | 6/6 sec | $0.00136 | $0.00136 |
| Sinton, TX | 1361941 | 6/6 sec | $0.00682 | $0.00522 |
| Sioux Center, IA | 1712441 | 6/6 sec | $0.00296 | $0.00272 |
| Sioux Center, IA | 1712449 | 6/6 sec | $0.00282 | $0.00272 |
| Sioux Center, IA | 1712463 | 6/6 sec | $0.01134 | $0.01090 |
| Sioux Center, IA | 1712722 | 6/6 sec | $0.07204 | $0.06650 |
| Sioux City, IA | 1712202 | 6/6 sec | $0.00818 | $0.00850 |
| Sioux City, IA | 1712203 | 6/6 sec | $0.00118 | $0.00118 |
| Sioux City, IA | 1712204 | 6/6 sec | $0.00136 | $0.00182 |
| Sioux City, IA | 1712212 | 6/6 sec | $0.00340 | $0.00340 |
| Sioux City, IA | 1712222 | 6/6 sec | $0.01664 | $0.01618 |
| Sioux City, IA | 1712223 | 6/6 sec | $0.00278 | $0.00254 |
| Sioux City, IA | 1712224 | 6/6 sec | $0.02386 | $0.02380 |
| Sioux City, IA | 1712226 | 6/6 sec | $0.02836 | $0.02364 |
| Sioux City, IA | 1712233 | 6/6 sec | $0.00568 | $0.00660 |
| Sioux City, IA | 1712234 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712238 | 6/6 sec | $0.01590 | $0.01500 |
| Sioux City, IA | 1712239 | 6/6 sec | $0.00720 | $0.00720 |
| Sioux City, IA | 1712244 | 6/6 sec | $0.01658 | $0.01646 |
| Sioux City, IA | 1712251 | 6/6 sec | $0.00178 | $0.00180 |
| Sioux City, IA | 1712252 | 6/6 sec | $0.00462 | $0.00636 |
| Sioux City, IA | 1712253 | 6/6 sec | $0.00180 | $0.00180 |
| Sioux City, IA | 1712255 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712258 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712259 | 6/6 sec | $0.00272 | $0.00272 |
| Sioux City, IA | 1712266 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux City, IA | 1712274 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux City, IA | 1712276 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux City, IA | 1712277 | 6/6 sec | $0.00636 | $0.00682 |
| Sioux City, IA | 1712279 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712281 | 6/6 sec | $0.00280 | $0.00272 |
| Sioux City, IA | 1712293 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712294 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux City, IA | 1712301 | 6/6 sec | $0.00182 | $0.00168 |
| Sioux City, IA | 1712333 | 6/6 sec | $0.00568 | $0.00568 |
| Sioux City, IA | 1712389 | 6/6 sec | $0.00340 | $0.00340 |
| Sioux City, IA | 1712444 | 6/6 sec | $0.00568 | $0.00568 |
| Sioux City, IA | 1712454 | 6/6 sec | $0.00382 | $0.00382 |
| Sioux City, IA | 1712490 | 6/6 sec | $0.00178 | $0.00180 |
| Sioux City, IA | 1712522 | 6/6 sec | $0.00258 | $0.00272 |
| Sioux City, IA | 1712560 | 6/6 sec | $0.00676 | $0.00546 |
| Sioux City, IA | 1712574 | 6/6 sec | $0.00278 | $0.00250 |
| Sioux City, IA | 1712577 | 6/6 sec | $0.00178 | $0.00168 |
| Sioux City, IA | 1712587 | 6/6 sec | $0.00796 | $0.00796 |
| Sioux City, IA | 1712635 | 6/6 sec | $0.00180 | $0.00180 |
| Sioux City, IA | 1712898 | 6/6 sec | $0.00200 | $0.00204 |
| Sioux City, IA | 1712899 | 6/6 sec | $0.00180 | $0.00180 |
| Sioux Falls, SD | 1605201 | 6/6 sec | $0.00282 | $0.00272 |
| Sioux Falls, SD | 1605212 | 6/6 sec | $0.00186 | $0.00190 |
| Sioux Falls, SD | 1605215 | 6/6 sec | $0.00136 | $0.00136 |
| Sioux Falls, SD | 1605221 | 6/6 sec | $0.00782 | $0.00690 |
| Sioux Falls, SD | 1605231 | 6/6 sec | $0.00126 | $0.00128 |
| Sioux Falls, SD | 1605241 | 6/6 sec | $0.00682 | $0.00790 |
| Sioux Falls, SD | 1605251 | 6/6 sec | $0.00280 | $0.00272 |
| Sioux Falls, SD | 1605254 | 6/6 sec | $0.01302 | $0.01156 |
| Sioux Falls, SD | 1605261 | 6/6 sec | $0.00178 | $0.00178 |
| Sioux Falls, SD | 1605271 | 6/6 sec | $0.00868 | $0.00886 |
| Sioux Falls, SD | 1605274 | 6/6 sec | $0.00864 | $0.00932 |
| Sioux Falls, SD | 1605275 | 6/6 sec | $0.00864 | $0.00864 |
| Sioux Falls, SD | 1605306 | 6/6 sec | $0.02080 | $0.01664 |
| Sioux Falls, SD | 1605310 | 6/6 sec | $0.00186 | $0.00190 |
| Sioux Falls, SD | 1605312 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605321 | 6/6 sec | $0.00200 | $0.00188 |
| Sioux Falls, SD | 1605322 | 6/6 sec | $0.00660 | $0.00636 |
| Sioux Falls, SD | 1605323 | 6/6 sec | $0.00720 | $0.00704 |
| Sioux Falls, SD | 1605328 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605330 | 6/6 sec | $0.00660 | $0.00660 |
| Sioux Falls, SD | 1605331 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605332 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux Falls, SD | 1605333 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux Falls, SD | 1605334 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux Falls, SD | 1605335 | 6/6 sec | $0.00636 | $0.00660 |
| Sioux Falls, SD | 1605336 | 6/6 sec | $0.00568 | $0.00568 |
| Sioux Falls, SD | 1605338 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605339 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605351 | 6/6 sec | $0.00178 | $0.00180 |
| Sioux Falls, SD | 1605357 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605359 | 6/6 sec | $0.00178 | $0.00178 |
| Sioux Falls, SD | 1605360 | 6/6 sec | $0.00204 | $0.00204 |
| Sioux Falls, SD | 1605361 | 6/6 sec | $0.00660 | $0.00720 |
| Sioux Falls, SD | 1605362 | 6/6 sec | $0.00734 | $0.00728 |
| Sioux Falls, SD | 1605366 | 6/6 sec | $0.00178 | $0.00178 |
| Sioux Falls, SD | 1605367 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605370 | 6/6 sec | $0.00282 | $0.00272 |
| Sioux Falls, SD | 1605371 | 6/6 sec | $0.00660 | $0.00660 |
| Sioux Falls, SD | 1605373 | 6/6 sec | $0.00636 | $0.00636 |
| Sioux Falls, SD | 1605376 | 6/6 sec | $0.00160 | $0.00182 |
| Sioux Falls, SD | 1605400 | 6/6 sec | $0.00568 | $0.00568 |
| Sioux Falls, SD | 1605413 | 6/6 sec | $0.00682 | $0.00568 |
| Sioux Falls, SD | 1605444 | 6/6 sec | $0.00844 | $0.00848 |
| Sioux Falls, SD | 1605496 | 6/6 sec | $0.00522 | $0.00488 |
| Sioux Falls, SD | 1605509 | 6/6 sec | $0.00728 | $0.00682 |
| Sioux Falls, SD | 1605521 | 6/6 sec | $0.00136 | $0.00136 |