LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
26 prefixes in 281 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 281-207 | SUGAR LAND | 7074 | — | Yes |
| 281-210 | SPRING | 7074 | — | Yes |
| 281-241 | DEER PARK | 7074 | — | Yes |
| 281-245 | ALVIN | 7074 | — | Yes |
| 281-569 | BAMMEL | 7074 | — | Yes |
| 281-570 | HUMBLE | 7074 | — | Yes |
| 281-582 | HSTNSUBURB | 7074 | — | — |
| 281-653 | SATSUMA | 7074 | — | Yes |
| 281-737 | SATSUMA | 7074 | 2009-03-18 | Yes |
| 281-769 | KATY | 7074 | — | Yes |
| 281-781 | BAMMEL | 7074 | — | Yes |
| 281-783 | SHELDON | 7074 | — | Yes |
| 281-816 | FRIENDSWD | 7074 | — | Yes |
| 281-823 | APOLLO | 7074 | — | Yes |
| 281-845 | ARCOLA | 7074 | — | Yes |
| 281-849 | LANGHAMCRK | 7074 | — | Yes |
| 281-854 | HSTNSUBURB | 7074 | — | Yes |
| 281-869 | WESTFIELD | 7074 | — | Yes |
| 281-883 | HUMBLE | 7074 | — | Yes |
| 281-887 | SATSUMA | 7074 | 2010-04-22 | Yes |
| 281-902 | HSTNSUBURB | 7074 | — | Yes |
| 281-921 | HSTNSUBURB | 7074 | — | — |
| 281-941 | LA PORTE | 7074 | — | Yes |
| 281-943 | BAMMEL | 7074 | — | Yes |
| 281-944 | BARKER | 7074 | — | Yes |
| 281-994 | BARKER | 7074 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.