SID conflicts are generally resolved by mutual agreements between carriers or SID assignment authorities. Generally, if a conflicting SID has not been allocated by the country to which it is assigned, it will be removed from the assignment list until the conflict is resolved.
In the following table, bold is used to indicate SID conflicts for which information or status has changed within the last 6 months.
| SID Range | Country/Carrier Using SID | Country/Carrier Allocated SID |
| 1 | United States of America | |
| 00013 | Hong Kong (Hutchison Telecom) | United States of America—Cingular (Washington/Baltimore) |
| 00111 | Nigeria (Bourdex Telecom) | United States of America |
|---|---|---|
| 00136 | Netherlands Antilles (St. Maarten Boatphone) | United States of America—Cingular (Jacksonville, FL) |
| 00211 | Nigeria (Bourdex Telecom) | United States of America |
| 00311 | Nigeria (Bourdex Telecom) | United States of America |
| 00700 | Cayman Islands (Cable and Wireless) | United States of America |
| 00741 | Ecuador (Conecel) | United States of America |
| 01111 | South Korea (AMPS system) | United States of America |
| 01235 | Philippines (Piltel) | United States of America—US Cellular (Mitchel, IA) |
| 01525 | Mexico (IUSACEL, Mexico City) | United States of America |
| 01700 | South Korea (Shinsegi Telecom) | United States of America—(withheld by US Cellular) |
| 01901 | Russia (Vimpelcom) | United States of America |
| 04100 | Movilnet/Venezuela | United States of America |
| 04101 | Movilnet/Venezuela | United States of America—AT&T Wireless (Atlanta) |
| 04110 | Movilnet/Venezuela | United States of America |
| 04120 | Movilnet/Venezuela | United States of America—Sprint PCS (Dallas) |
| 04130 | Movilnet/Venezuela | United States of America |
| 04140 | Movilnet/Venezuela | United States of America |
| 04150 | Movilnet/Venezuela | United States of America |
| 04369 | Republic of Korea | United States of America |
| 04370 | Republic of Korea | United States of America |
| 04371 | Republic of Korea | United States of America |
| 05732 | BellSouth Eastern Colombia Region | United States of America |
| 05734 | BellSouth San Andres Island (Colombia) | United States of America |
| 05772 | BellSouth Northern Colombia Region | United States of America |
| 06190 | British Virgin Islands | United States of America |
| 08002 | Grenada | Saint Vincent and the Grenadines |
| 08010 | Saint Lucia (Saint Lucia Boatphone) | |
| 08166 | Saint Kitts | Barbados |
| 08198 | Bermuda (Bermuda Telephone Co.) | Thailand |
| 10817 | Indosat (Mobile Satellite Carrier) | St. Pierre and Miquelon |
| 12461 | Bangladesh (Pacific Bangladesh Telecom Ltd.) - Dhaka | Japan |
| 12463 | Bangladesh (Pacific Bangladesh Telecom Ltd.) - Chittagong | Japan |
| 12464 | Bangladesh (Pacific Bangladesh Telecom Ltd.) - Sylhet | Japan |
| 12561 | SingTel Mobile, Singapore | Japan |
| 12978 | SETAR - Aruba | Japan |
| 26883 | IUSACELL (formerly Portatel) | CIBERNET BIDs |
| 32752 | Bahamas (Bahamas Telecom) | Honduras |
| Last Update: 2/3/2005 |