2024 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2023 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2022 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2019 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2018 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2016 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2014 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2011 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2009 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services

2008 Texas Utilities Code 55.253 – Telephone Prepaid Calling Services