Area Code 505
New Mexico
Area code 505 serves New Mexico, primarily Albuquerque, in the Mountain Time (MT) time zone. It has served the region since 01-Jan-1947.
Area Code Splits
Parts of this area code’s original geographic region were later assigned new area codes through splits. When a split occurs, some customers in the original area code region are assigned the new area code.
Split into: area code 575 (Las Cruces).
Demographics & Economics
- Total Population
- 1,613,812
- Population Density
- 29 people/sq mibelow U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $66,514below U.S. median (U.S.: $75,144)
- Poverty Rate
- 17.3%above U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 6.0%above U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+32.4%near U.S. average (U.S.: 33.7%)High School or Lower29.3%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the income ranking and density ranking.
Time Zone
- Mountain Time (MT)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
NM
Major Cities
- Albuquerque
- Rio Rancho
- Santa Fe
- Farmington
- South Valley
- Gallup
- Los Lunas
- Los Alamos
- Las Vegas
- North Valley
- Grants
- Bernalillo
- Corrales
- Shiprock
- Belen
- Bloomfield
- Aztec
- Zuni Pueblo
- Edgewood
- Los Ranchos de Albuquerque
- Eldorado at Santa Fe
- White Rock
- El Cerro Mission
- Rio Communities
and 250 more cities
Demographics
The estimated population served by area code 505 is approximately 1,613,812. The population density is 29 people per square mile, which is lower than the national average of 93. The median household income is $66,514, which is lower than the national median of $75,144. Approximately 32.4% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is near the national average. The poverty rate stands at 17.3%, which is higher than the national rate of 11.5%.
History
Area code 505 is one of the original area codes established in 1947 when the North American Numbering Plan (NANP) was created. Over time, area code area code 575 was split from 505.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 505).
| County | Population | Share |
|---|---|---|
| Bernalillo, NM | 761,693 | 47.2% |
| Santa Fe, NM | 187,117 | 11.6% |
| Sandoval, NM | 184,821 | 11.5% |
| San Juan, NM | 129,849 | 8.0% |
| McKinley, NM | 92,414 | 5.7% |
| Valencia, NM | 82,086 | 5.1% |
| Rio Arriba, NM | 43,639 | 2.7% |
| Cibola, NM | 42,590 | 2.6% |
| Torrance, NM | 27,117 | 1.7% |
| Socorro, NM | 25,569 | 1.6% |
| Los Alamos, NM | 19,374 | 1.2% |
| San Miguel, NM | 7,326 | 0.5% |
| Apache, AZ | 6,215 | 0.4% |
| Taos, NM | 2,512 | 0.2% |
| Mora, NM | 1,060 | 0.1% |
| Guadalupe, NM | 430 | 0.0% |
Area Code 505 Family Tree
Hover over nodes to see details. Click to navigate to individual area code pages. Use scroll to zoom, drag to pan.
Area code 505 was originally assigned in 01-Jan-1947 to serve NM. Over the years, it has generated 1 descendant area code through a combination of geographic splits and overlays as demand for telephone numbers grew.
Call Context
This area code spans a mix of urban centers and rural communities across NM, with Albuquerque as a primary city.
Nearby Area Codes
Area codes geographically closest to 505.
Other Area Codes in New Mexico
Area codes that also serve New Mexico, linked for easy comparison.