(5[1-5]\d{14}$|^2(?:2(?:2[1-9]|[3-9]\d)|[3-6]\d\d|7(?:[01]\d|20))\d{12})

4[0-9]{12}(?:[0-9]{3})?

6(?:011|5[0-9]{2})[0-9]{12}

3[47][0-9]{13}

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Questions about your balance, customer account, or other billing related issues?

Reach out directly to Big Mesa MDWCA to resolve issues of these types. Their hours are Monday through Friday between 9:00 AM to 5:00 PM (MT).

• By Email: bigmesa@plateautel.net
• By Phone: (575) 868-4550

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Reach out to Retail Lockbox Merchant Services, the owner and operator of this site. Their hours are Monday through Friday between 9:00 AM to 5:00 PM (PT).

• By Email: rlmssupport@retaillockbox.com