| Region ; Label ; Comment | |
| GY ; SC ; "http://www.itu.int/oth/T020200005D/en" | |
| GY ; SC_CARRIER_SPECIFIC ; "https://support.twitter.com/articles/20170024" | |
| GY ; SC_SMS_SERVICES ; "https://support.twitter.com/articles/20170024" | |
| GY ; XML ; "http://www.itu.int/oth/T020200005D/en" | |
| GY ; XML_MOBILE ; "Although the ITU document would allow for a stricter pattern, the country has a track\nrecord of underreporting valid mobile ranges and 6XXXXXX is almost fully assigned.\nA more lenient pattern is better here." |