Depending on the countries that you send messages to, certain criteria’s needs to be met for a successful message to be sent. This could be either the masking of the SID (Sender ID) or the need to register for a short code within the country that you want to send the text message to.
Below is a list of comments for the different countries and operators to provide a guide. Should you need more information, please contact our support team for any questions.
Table
| Destination | Operators | MCC | MNC | Comments |
| ANGOLA | Angola | 631 | 0 | |
| ANGOLA | Angola_Africell | 631 | 5 | |
| ANGOLA | Angola_Movicel | 631 | 4 | |
| ANGOLA | Angola_Unitel | 631 | 2 | |
| ARGENTINA | Argentina | 722 | 0 | Sender ID will be replaced to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| ARGENTINA | Argentina_AMX | 722 | 310 | Sender ID will be replaced to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| ARGENTINA | Argentina_Nextel | 722 | 2 | Sender ID will be replaced to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| ARGENTINA | Argentina_Telecom Personal SA | 722 | 34 | Sender ID will be replaced to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| ARGENTINA | Argentina_Telefonica | 722 | 7 | Sender ID will be replaced to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| ARMENIA | Armenia | 283 | 0 | |
| ARMENIA | Armenia_Armentel | 283 | 1 | |
| ARMENIA | Armenia_K-Telecom | 283 | 5 | |
| ARMENIA | Armenia_Karabakh Telecom | 283 | 4 | |
| ARMENIA | Armenia_Orange | 283 | 10 | |
| AUSTRALIA | Australia | 505 | 0 | |
| AUSTRALIA | Australia_Hutchison 3G | 505 | 6 | |
| AUSTRALIA | Australia_Optus | 505 | 2 | |
| AUSTRALIA | Australia_Telstra | 505 | 1 | |
| AUSTRALIA | Australia_Vodafone | 505 | 3 | |
| AZERBAIJAN | Azerbaijan | 400 | 0 | |
| AZERBAIJAN | Azerbaijan_Azercell Telecom LLC | 400 | 1 | |
| AZERBAIJAN | Azerbaijan_Azerfon | 400 | 4 | |
| AZERBAIJAN | Azerbaijan_Catel | 400 | 3 | |
| AZERBAIJAN | Azerbaijan_J.V.Bakcell | 400 | 2 | |
| AZERBAIJAN | Azerbaijan_Naxtel | 400 | 6 | |
| BAHRAIN | Bahrain | 426 | 0 | |
| BAHRAIN | Bahrain_Batelco | 426 | 1 | |
| BAHRAIN | Bahrain_Batelco | 426 | 5 | |
| BAHRAIN | Bahrain_STC | 426 | 4 | |
| BAHRAIN | Bahrain_Zain | 426 | 2 | |
| BANGLADESH | Bangladesh | 470 | 0 | Alpha sender ID. Numeric sender ID will be replaced to alpha dynamic. |
| BANGLADESH | Bangladesh_Banglalink | 470 | 3 | Alpha sender ID. Numeric sender ID will be replaced to alpha dynamic. |
| BANGLADESH | Bangladesh_Grameen | 470 | 1 | Alpha sender ID. Numeric sender ID will be replaced to alpha dynamic. |
| BANGLADESH | Bangladesh_Robi | 470 | 2 | Alpha sender ID. Numeric sender ID will be replaced to alpha dynamic. |
| BANGLADESH | Bangladesh_Robi | 470 | 7 | Alpha sender ID. Numeric sender ID will be replaced to alpha dynamic. |
| BELARUS | Belarus | 257 | 0 | |
| BELARUS | Belarus_Best | 257 | 4 | |
| BELARUS | Belarus_MTS | 257 | 2 | |
| BELARUS | Belarus_Velcom | 257 | 1 | |
| BELGIUM | Belgium | 206 | 0 | |
| BELGIUM | Belgium_BASE NV SA | 206 | 20 | |
| BELGIUM | Belgium_Mobistar | 206 | 10 | |
| BELGIUM | Belgium_Proximus | 206 | 1 | |
| BELGIUM | Belgium_Telenet | 206 | 5 | |
| BHUTAN | Bhutan | 402 | 0 | |
| BHUTAN | Bhutan_B-Mobile | 402 | 11 | |
| BHUTAN | Bhutan_Tashicell | 402 | 77 | |
| BRAZIL | Brazil | 724 | 0 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_Algar | 724 | 34 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_Claro | 724 | 5 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_Nextel | 724 | 39 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_OI | 724 | 31 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_Tim | 724 | 3 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_vivo | 724 | 10 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_vivo | 724 | 11 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRAZIL | Brazil_vivo | 724 | 23 | Mask to short code. Please use UCS2 or DC8 encoding to send traffic with special characters. |
| BRUNEI DARUSSALAM | Brunei | 528 | 0 | |
| BRUNEI DARUSSALAM | Brunei_B-Mobile | 528 | 2 | |
| BRUNEI DARUSSALAM | Brunei_DSTCom | 528 | 11 | |
| BULGARIA | Bulgaria | 284 | 0 | |
| BULGARIA | Bulgaria_BTC | 284 | 3 | |
| BULGARIA | Bulgaria_GloBul | 284 | 5 | |
| BULGARIA | Bulgaria_Mobitel | 284 | 1 | |
| CHINA | CMCC | 460 | 0 | |
| CHINA | CMCC | 460 | 2 | |
| CHINA | CMCC | 460 | 7 | |
| CHINA | CMCC | 460 | 13 | |
| HONG KONG | CMHK | 454 | 12 | 1. Alpha sender ID: sender ID registration is required, please send to support@atomtelecom.com.au. 3-11 digits, only support 8 special characters: @#$.*+-_ 2. Numeric sender ID: need to send with assigned long code, short code not supported, please send to support@atomtelecom.com.au to get assigned OA |
| CAMBODIA | Cambodia | 456 | 0 | |
| CAMBODIA | Cambodia_CamGSM | 456 | 1 | |
| CAMBODIA | Cambodia_Metfone | 456 | 8 | Sender ID pre-registration is required, please send registration email to support@atomtelecom.com.au for LOA. All non-registered senders will modify to "Verify". |
| CAMBODIA | Cambodia_Smart | 456 | 2 | |
| CAMBODIA | Cambodia_Smart | 456 | 5 | |
| CAMBODIA | Cambodia_Smart | 456 | 6 | |
| CANADA | Canada | 302 | 0 | Dynamic long code |
| CHILE | Chile | 730 | 0 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHILE | Chile_Claro | 730 | 3 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHILE | Chile_Entel PCS | 730 | 1 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHILE | Chile_Nextel | 730 | 4 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHILE | Chile_Telefonica | 730 | 2 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHILE | Chile_VTR Movil | 730 | 8 | Sender ID will be replaced to dynamic numeric sender IDs. |
| CHINA | China | 460 | 0 | |
| CHINA | ChinaTelecom | 460 | 3 | |
| CHINA | ChinaUnicom | 460 | 1 | |
| CHINA | China_Broadcast_Network | 460 | 15 | |
| COLOMBIA | Colombia | 732 | 0 | Mask to short code |
| COLOMBIA | Colombia_Colombia Movil | 732 | 111 | Mask to short code |
| COLOMBIA | Colombia_Movistar | 732 | 123 | Mask to short code |
| CONGO | Congo | 630 | 0 | |
| CONGO REPUBLIC | Congo Republic | 629 | 0 | All sender ID will be replaced with dynamic alpha sender ID |
| CONGO | Congo_Celtel DRC | 630 | 2 | |
| CONGO | Congo_Orange | 630 | 86 | |
| CONGO | Congo_SAIT Telecom | 630 | 89 | |
| CONGO | Congo_Supercell Sprl | 630 | 5 | |
| CONGO | Congo_Vodacom DRC | 630 | 1 | |
| CZECH REPUBLIC | Czech Republic | 230 | 0 | |
| CZECH REPUBLIC | Czech Republic_Mobilkom | 230 | 4 | |
| CZECH REPUBLIC | Czech Republic_T-Mobile | 230 | 1 | |
| CZECH REPUBLIC | Czech Republic_Telefonica | 230 | 2 |