| District of Texas area codes: 956 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Laredo |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 956-743 | Willacy | Lyford, TX | Valley Telephone Cooperative |
| 956-744 | Webb | Laredo, TX | New Cingular Wireless PCS - IL |
| 956-746 | Willacy | Raymondville, TX | Sprint Spectrum L.p. |
| 956-748 | Cameron | Rio Hondo, TX | Southwestern Bell |
| 956-750 | Zapata | Zapata, TX | Stpcs Joint Venture |
| 956-751 | Zapata | Zapata, TX | 1stel |
| 956-752 | Cameron | Harlingen, TX | Southwestern Bell |
| 956-753 | Webb | Laredo, TX | Southwestern Bell |
| 956-754 | Webb | Laredo, TX | Cellco Partnership DBA Verizon Wireless |
| 956-755 | Cameron | Brownsville, TX | Southwestern Bell |
| 956-756 | Hidalgo | Weslaco, TX | Stx Wireless License |
| 956-758 | La Salle | Cotulla, TX | Sprint Spectrum L.p. |
| 956-760 | Cameron | Harlingen, TX | Southwestern Bell |
| 956-761 | Cameron | Port Isabel, TX | Southwestern Bell |
| 956-763 | Webb | Laredo, TX | New Cingular Wireless PCS - IL |
| 956-764 | Webb | Laredo, TX | Southwestern Bell |
| 956-765 | Zapata | Zapata, TX | Southwestern Bell |
| 956-767 | Cameron | Harlingen, TX | Usa Mobility Wireless |
| 956-768 | Cameron | Brownsville, TX | Usa Mobility Wireless |
| 956-771 | Webb | Laredo, TX | Stx Wireless License |
There are 516 prefixes, In the code area, the major cities are Brownsville, TX;Edinburg, TX;Harlingen, TX;Laredo,. The major city is Laredo.