La serie son los 4 número siguiente a la lada, los cuales se utilizan para identificar la compañia y el asentamiento al que pertenece el número telefónico.
| Serie | Tipo | Compañia | Municipio | Estado | Asentamiento |
|---|---|---|---|---|---|
| 907 | Fijo | UC TELECOM | Tijuana | Baja California | Tijuana |
| 907 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 907 | Fijo | INBTEL | Tijuana | Baja California | Tijuana |
| 908 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 909 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 910 | Movil | AT&T | Tijuana | Baja California | Tijuana |
| 912 | Fijo | CONVERGIA | Tijuana | Baja California | Tijuana |
| 912 | Fijo | DIRECTO | Tijuana | Baja California | Tijuana |
| 912 | Fijo | ROBOT | Tijuana | Baja California | Tijuana |
| 912 | Fijo | NGX NETWORKS | Tijuana | Baja California | Tijuana |
| 912 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 913 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 914 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 915 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 916 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 917 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 918 | Movil | AT&T | Tijuana | Baja California | Tijuana |
| 919 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 920 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 921 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 922 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 923 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 924 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 925 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 925 | Fijo | VADSA | Tijuana | Baja California | Tijuana |
| 925 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 926 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 927 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 927 | Fijo | FLYNODE | Tijuana | Baja California | Tijuana |
| 927 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 928 | Movil | AT&T | Tijuana | Baja California | Tijuana |
| 929 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 930 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 930 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 931 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 932 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 932 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 932 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 933 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 934 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 934 | Fijo | UC TELECOM | Tijuana | Baja California | Tijuana |
| 934 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 935 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 935 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 935 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 936 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 936 | Fijo | ROBOT | Tijuana | Baja California | Tijuana |
| 936 | Fijo | NEUROTECH | Tijuana | Baja California | Tijuana |
| 936 | Fijo | LAYER7 | Tijuana | Baja California | Tijuana |
| 936 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 937 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 938 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 939 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 939 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 939 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 939 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 940 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 941 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 941 | Fijo | ROBOT | Tijuana | Baja California | Tijuana |
| 941 | Fijo | MCM | Tijuana | Baja California | Tijuana |
| 941 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 942 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 943 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 943 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 944 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 944 | Fijo | TELECOMMERCE | Tijuana | Baja California | Tijuana |
| 945 | Fijo | ARDO | Tijuana | Baja California | Tijuana |
| 945 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 945 | Fijo | ROBOT | Tijuana | Baja California | Tijuana |
| 945 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 945 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 945 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 946 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 947 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 948 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 948 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 948 | Fijo | IMPULSORA BALDER | Tijuana | Baja California | Tijuana |
| 948 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 949 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 950 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 950 | Fijo | OPENIP | Tijuana | Baja California | Tijuana |
| 951 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 952 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 953 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 954 | Fijo | ROBOT | Tijuana | Baja California | Tijuana |
| 954 | Fijo | OPENIP | Tijuana | Baja California | Tijuana |
| 954 | Fijo | DIRECTO | Tijuana | Baja California | Tijuana |
| 955 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 956 | Fijo | MEGACABLE | Tijuana | Baja California | Tijuana |
| 957 | Fijo | VINOC | Tijuana | Baja California | Tijuana |
| 958 | Fijo | TOTAL PLAY | Tijuana | Baja California | Tijuana |
| 959 | Fijo | JAPIFON | Tijuana | Baja California | Tijuana |
| 960 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 961 | Fijo | SPARKTELECOMM | Tijuana | Baja California | Tijuana |
| 962 | Fijo | AXTEL | Tijuana | Baja California | Tijuana |
| 963 | Fijo | CABLEMAS | Tijuana | Baja California | Tijuana |
| 969 | Fijo | TELNOR | Tijuana | Baja California | Tijuana |
| 970 | Fijo | TELNOR | Tijuana | Baja California | Tijuana |
| 971 | Fijo | TELNOR | Tijuana | Baja California | Tijuana |
| 972 | Fijo | TELNOR | Tijuana | Baja California | Tijuana |