Phone numbers in Weslaco, Texas
Weslaco has 36 phone prefixes in area code 956.
Biggest holders: AT&T Mobility, Stpcs Joint Venture, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 69%
- Local phone company 14%
- Internet / business phone carrier 17%
Every prefix in Weslaco
Search the first six digits of a number in this list. If it's here, the number started in Weslaco with the carrier shown. If it isn't, check the Texas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 956-246 | Level 3 (Lumen) | Internet / business phone carrier | 2003 |
| 956-261 | AT&T Mobility | Mobile carrier | 2011 |
| 956-272 | AT&T Mobility | Mobile carrier | 2008 |
| 956-314 | AT&T Mobility | Mobile carrier | 2008 |
| 956-332 | AT&T Mobility | Mobile carrier | 2010 |
| 956-351 | Stpcs Joint Venture | Mobile carrier | 2007 |
| 956-355 | MetroPCS (T-Mobile) | Mobile carrier | 2010 |
| 956-363 | AT&T Mobility | Mobile carrier | 2009 |
| 956-373 | AT&T Mobility | Mobile carrier | – |
| 956-375 | Stpcs Joint Venture | Mobile carrier | 2013 |
| 956-376 | Verizon Wireless | Mobile carrier | – |
| 956-405 | MetroPCS (T-Mobile) | Mobile carrier | 2017 |
| 956-447 | Frontier | Local phone company | – |
| 956-463 | MetroPCS (T-Mobile) | Mobile carrier | 2002 |
| 956-472 | Stpcs Joint Venture | Mobile carrier | 2001 |
| 956-520 | Stpcs Joint Venture | Mobile carrier | 2014 |
| 956-532 | Verizon Wireless | Mobile carrier | – |
| 956-593 | Verizon Wireless | Mobile carrier | 2020 |
| 956-619 | AT&T Mobility | Mobile carrier | 2015 |
| 956-647 | Frontier | Local phone company | 2007 |
| 956-650 | Stpcs Joint Venture | Mobile carrier | 2001 |
| 956-678 | AT&T Mobility | Mobile carrier | 2014 |
| 956-684 | Stpcs Joint Venture | Mobile carrier | 2006 |
| 956-733 | Fractel | Internet / business phone carrier | 2020 |
| 956-756 | AT&T Mobility | Mobile carrier | 2008 |
| 956-798 | Verizon Wireless | Mobile carrier | 2025 |
| 956-805 | Verizon Wireless | Mobile carrier | 2023 |
| 956-853 | Tpx Communications | Internet / business phone carrier | 2026 |
| 956-854 | Charter / Spectrum | Internet / business phone carrier | – |
| 956-856 | Onvoy | Internet / business phone carrier | 2021 |
| 956-865 | Onvoy | Internet / business phone carrier | 2022 |
| 956-968 | Frontier | Local phone company | – |
| 956-969 | Frontier | Local phone company | – |
| 956-973 | Frontier | Local phone company | – |
| 956-975 | AT&T Mobility | Mobile carrier | – |
| 956-998 | AT&T Mobility | Mobile carrier | 2011 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.