6 articles.
Deliverability
What direct-to-carrier A2P SMS really means, how it differs from aggregator, grey and SIM farm routes, and six tests to check whether your route is direct.
13 min read
Guides
MCC and MNC codes identify every mobile network. How the ITU E.212 system works, how to read a code like 310260, MCC vs calling code, and a list by country.
13 min read
Deliverability
How to check if a phone number has been ported: MNP lookup, HLR and carrier lookups compared, what each result field means, and a step-by-step API example.
10 min read
Guides
MCC/MNC lookup by phone number: why the prefix shows only the original network, how to get the current code with MNP or HLR, and 5 mistakes to avoid.
8 min read
Guides
What carrier and line type data is, allocated vs current network, how porting changes it, and how to read every field of a carrier lookup answer.
8 min read
Guides
A number's prefix shows the network its range was given to, not the one serving it today. How porting works, where lookups fail and how to handle it.
7 min read
