The representative area code for the entire state of New Mexico, including Albuquerque, is 505.

The 505 area code has long covered all of New Mexico, but due to population growth and the expansion of mobile phone usage, the depletion of numbers has progressed rapidly. Accordingly, with the approval of the Federal Communications Commission (FCC), the 575 area code was added to some areas in southern and central New Mexico starting in 2011. Currently, the northern and central regions of New Mexico, including Albuquerque and Santa Fe, as well as Rio Rancho, maintain the 505 code, while the southern regions, such as Las Cruces and Roswell, primarily use 575.

In terms of communication services, Albuquerque is a city where all major U.S. mobile carriers provide service. T-Mobile, AT&T, Verizon, and US Cellular operate 4G LTE and 5G networks in most areas of Albuquerque. However, coverage may be weaker in mountainous areas around the Sandia Mountains or in some suburban rural areas. Popular MVNOs (Mobile Virtual Network Operators) offering prepaid plans include Mint Mobile, Cricket Wireless, and Metro by T-Mobile, and SIM cards can be purchased at carrier stores and large retailers like Walmart and Best Buy.

Internet services are primarily provided by cable-based Comcast Xfinity and fiber-based Lumen/CenturyLink, as well as the rapidly expanding Southwest Fiber in Albuquerque. Download speeds vary depending on the subscription plan, but options for typical residential use range from 100 Mbps to 1 Gbps, with monthly fees for gigabit internet around $70 to $100. Several cafes, public libraries (Albuquerque/Bernalillo County Public Library), and the ABQ Sunport airport offer free public Wi-Fi.

For emergency calls and important local phone numbers, here is useful information for Albuquerque residents: Emergency police, fire, and medical services can be reached at 911, while non-emergency police reports and information can be contacted at 505-242-COPS (2677). For city service requests (road damage, illegal dumping, etc.), you can call 311 or 505-768-2000. Albuquerque airport information can be reached at 505-244-7700, and the New Mexico DMV (Department of Motor Vehicles) Albuquerque office handles reservations and inquiries at 505-827-2296. When making international calls to an Albuquerque number, simply add the U.S. country code +1 in front.