Area Code 212

Area code 212 is one of the original 86 North American Numbering Plan area codes established by AT&T in October 1947, assigned to serve all five boroughs of New York City. The code 212 was deliberately chosen for the nation's largest metropolitan area because it required only 5 rotary dial pulls (2‑1‒ = 5 clicks), the fewest possible for a multi-state code. New York's middle digit "1" followed the original convention designating multi-NPA states — New York had five area codes in 1947: 212, 315, 518, 716, and 914. For 37 consecutive years, 212 served as the sole area code for all of NYC, one of the longest periods for any single-NPA code serving a major metropolitan area. Source: List of Original NANP Area Codes

• October 1947: Area code 212 is created as one of the 86 original NANP codes, covering all five boroughs of New York City. NYC becomes one of the largest toll-free calling zones in North America under a single code. Source: AT&T Nationwide Numbering Plan
• February 1984: The New York Public Service Commission votes to split 212 in response to a petition from New York Telephone, dividing the city's three million telephone numbers roughly in half. Source: Wikipedia — Area codes 212, 646, and 332
• September 1, 1984: Area code 718 goes into service for Brooklyn, Queens, and Staten Island. Manhattan and the Bronx retain 212. Permissive dialing begins, allowing callers to use either 212 or 718 for outer borough numbers. Documented in NANPA Industry Letter IL-781-84-04-031. Source: NANPA IL-781-84-04-031
• January 1, 1985: Permissive dialing ends. 718 becomes mandatory for Brooklyn, Queens, and Staten Island. The 212 area code now serves only Manhattan and the Bronx.
• January 1, 1992: Area code 917 goes into service as the first overlay in New York City, covering both the 212 and 718 NPAs. Initially restricted to wireless and pager service only. Documented in NANPA Industry Letter IL-91-08-001. Source: NANPA IL-91-08-001
• July 1, 1992: The Bronx is transferred from the 212 NPA to the 718 NPA, reducing 212 to Manhattan only. Marble Hill, a Manhattan neighborhood geographically on the Bronx mainland, is also transferred to 718 despite being administratively part of Manhattan. Source: NANPA IL-91-08-001
• May 16, 1993: Permissive dialing for the Bronx transfer ends. 718 becomes mandatory for calls terminating in the Bronx. Source: NANPA IL-91-08-001
• December 10, 1997: The NY PSC issues Opinion and Order in Case 96-C-1158 approving the 646 area code overlay for Manhattan. Original effective date of April 1, 1998 is later postponed pending FCC resolution of mandatory 10-digit dialing requirements. Source: NY PSC Case 96-C-1158
• July 1, 1999: Area code 646 goes into service as a Manhattan overlay, initially operating with 7-digit dialing per an FCC waiver. Source: Wikipedia — Area codes 212, 646, and 332
• February 2003: Mandatory 1+10-digit dialing becomes required for all local calls within New York City area codes. Seven-digit calls are no longer completed and are redirected to an intercept announcement.
• August 2010: AT&T reports that no new 212 numbers are available for assignment. New Manhattan lines are assigned 646 or 917 numbers. A secondary market for 212 numbers emerges. Source: Wikipedia — Area codes 212, 646, and 332

Area code 212 holds several unique distinctions within the North American Numbering Plan. From its rotary-era engineering to its cultural status as a symbol of Manhattan identity, 212 is among the most recognizable telephone codes in the world. Source: Wikipedia — Area codes 212, 646, and 332

• Rotary Dial Record: 5 Pulses for America's Largest City — Area code 212 was one of only three area codes in the original 1947 NANP assigned the minimum 5-pulse rotary dial count (2+1+2=5), alongside Chicago (312) and Los Angeles (213). AT&T reserved the lowest-pulse codes for the three largest US metropolitan areas, where call volume demanded the fastest possible dialing. The middle digit "1" in 212 followed the convention indicating a multi-NPA state (New York had five area codes in 1947), while middle digit "0" indicated single-NPA states. Source: List of Original NANP Area Codes
• 37 Years Without a Split: NYC's Longest-Running Single Area Code — Area code 212 served all five boroughs of New York City for 37 consecutive years (1947–1984), making it one of the longest-serving single-NPA codes for a major metropolitan area before its first geographic split. During this period, NYC was one of the largest toll-free calling zones in North America, with three million telephone numbers managed under a single code. Source: Wikipedia — Area codes 212, 646, and 332
• The FCC Grandfather: 917's Unique Service-Specific Status — Area code 917, introduced January 1, 1992 as the first overlay in NYC, was initially restricted exclusively to wireless and pager service. When the FCC issued its Second Report and Order in CC Docket No. 96-98 (August 1996), it banned future service-specific area codes but explicitly grandfathered the existing 917 wireless-only overlay in New York City at ¶285. This makes 917 one of the only service-specific area codes ever permitted to remain in the NANP after the FCC's blanket prohibition. Source: FCC CC Docket No. 96-98, ¶285
• The 23-Square-Mile Code: Manhattan's Extreme Density — The 212 overlay complex now comprises four area codes (212, 646, 917, 332) serving only the 23-square-mile island of Manhattan, making it one of the most densely coded numbering plan areas in the country. Many US states have fewer total area codes than Manhattan's four-overlay stack. With a population density exceeding 71,000 people per square mile, Manhattan is the most densely populated major county in the United States. Source: Wikipedia; Census Bureau
• 97.75% Utilized: The Near-Exhausted Prefix Pool — Of the 800 possible NXX prefixes in the 212 area code, 782 (97.75%) have been assigned. A remarkable 779 of those (99.6% of all assigned) are designated for landline use, with only 3 prefixes (0.4%) assigned to wireless carriers. The first 212 prefix was assigned on February 4, 1994, and the most recent on June 26, 2023, spanning nearly three decades of prefix allocation. Source: zip-codes.com NXX Prefix Data
• The NRUF Exhaust Forecast — The October 2014 Numbering Resource Utilization Forecast (NRUF) report projected that the 212/646/917 NPA overlay complex would exhaust its available central office codes in Q1 2018. The annualized CO code demand rate triggered mandatory relief planning to begin in Q1 2015, leading to NANPA's petition and the NY PSC's approval of the 332 overlay in November 2015. Source: NY PSC Case 15-C-0168
• Pennsylvania 6-5000: NYC's Most Famous Phone Number — The number 212-736-5000 (PEnnsylvania 6-5000) was claimed to be New York City's oldest continuously used telephone number, assigned to the Hotel Pennsylvania across from Penn Station. The number was immortalized in the 1940 Glenn Miller Orchestra hit song "Pennsylvania 6-5000." Though the original hotel was demolished, the number.

The regulatory history of area code 212 spans federal and state jurisdictions, involving the FCC, the New York Public Service Commission, and NANPA. The story is shaped by a series of landmark decisions — from AT&T's original 1947 numbering plan through the 2015 332 overlay approval — that established precedents for area code governance nationwide. Source: List of Original NANP Area Codes

Year	Event	Docket	Regulatory Action & Impact
1947	NANP established	AT&T Nationwide Numbering Plan	AT&T establishes the North American Numbering Plan, assigning 212 to New York City (all five boroughs). Area code administration delegated to AT&T as the Plan Administrator. Source: List of Original NANP Area Codes
1984	718 geographic split	NY PSC; NANPA IL-781-84-04-031	NY PSC approves the split of 212, creating 718 for Brooklyn, Queens, and Staten Island. NANPA Industry Letter IL-781-84-04-031 documents permissive dialing September 1, 1984 through January 1, 1985. Three million numbers divided between the two codes. Source: NANPA IL-781-84-04-031
1991–92	917 overlay and Bronx transfer	NANPA IL-91-08-001	NANPA introduces 917 as the first NYC overlay, initially restricted to wireless and pager service only. Simultaneously transfers the Bronx from 212 to 718 (effective July 1, 1992), reducing 212 to Manhattan only. Permissive dialing for the Bronx ends May 16, 1993. Source: NANPA IL-91-08-001
1996	FCC bans service-specific overlays	CC Docket No. 96-98, ¶285	FCC Second Report and Order determines that area codes going forward cannot be service-specific, but explicitly allows the existing 917 wireless-only overlay in NYC to remain. This ruling shapes overlay policy nationwide and makes 917 one of the only grandfathered service-specific codes in the NANP. Source: FCC CC Docket No. 96-98, ¶285
1997–99	646 overlay and 10-digit dialing battle	NY PSC Case 96-C-1158	NY PSC approves 646 overlay for Manhattan (Opinion No. 97-18, December 10, 1997). Original effective date of April 1, 1998 postponed pending FCC resolution of mandatory 10-digit dialing. FCC denies NY PSC waiver petition but allows 646 on 7-digit basis before April 1, 1999. 646 goes into service July 1, 1999. Mandatory 1+10-digit dialing required February 2003. Source: NY PSC Case 96-C-1158
2015–17	County Coverage Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 212). County Population Share New York, NY 1,617,259 100.0% Call Context High-volume metropolitan area This area code includes New York City and New York, along with surrounding communities, in New York. It is one of the original area codes established when the North American Numbering Plan was created in 1947. Nearby Area Codes Area codes geographically closest to 212. 347NYNew YorkEastern Time (ET)Overlay 718NYNew YorkEastern Time (ET)Geographic 929NYNew YorkEastern Time (ET)Overlay 363NYHempsteadEastern Time (ET)Overlay 516NYHempsteadEastern Time (ET)Geographic 201NJJersey CityEastern Time (ET)Geographic 551NJJersey CityEastern Time (ET)Overlay 914NYYonkersEastern Time (ET)Geographic 862NJNewarkEastern Time (ET)Overlay 973NJNewarkEastern Time (ET)Geographic 732NJToms RiverEastern Time (ET)Geographic 848NJToms RiverEastern Time (ET)Overlay 908NJElizabethEastern Time (ET)Split 631NYWest BabylonEastern Time (ET)Geographic 934NYWest BabylonEastern Time (ET)Overlay 203CTBridgeportEastern Time (ET)Geographic 475CTBridgeportEastern Time (ET)Overlay 329NYKiryas JoelEastern Time (ET)Overlay 845NYKiryas JoelEastern Time (ET)Geographic 215PAPhiladelphiaEastern Time (ET)Geographic 267PAPhiladelphiaEastern Time (ET)Overlay 445PAPhiladelphiaEastern Time (ET)Overlay 609NJTrentonEastern Time (ET)Geographic 640NJTrentonEastern Time (ET)Overlay 860CTHartfordEastern Time (ET)Geographic 959CTHartfordEastern Time (ET)Overlay 484PAAllentownEastern Time (ET)Overlay 610PAAllentownEastern Time (ET)Geographic 835PAAllentownEastern Time (ET)Overlay 856NJCamdenEastern Time (ET)Split Other Area Codes in New York Area codes that also serve New York, linked for easy comparison. 315 — Syracuse 329 — Kiryas Joel 332 — New York 347 — New York 363 — Hempstead 465 — New York 516 — Hempstead 518 — Albany 585 — Rochester 607 — Binghamton 624 — Buffalo 631 — West Babylon 646 — New York 680 — Syracuse 716 — Buffalo 718 — New York 838 — Albany 845 — Kiryas Joel Frequently Asked Questions Common questions about area code 212 and how phone numbering works. Why might a call show this area code if the caller is elsewhere? Phone numbers are assigned based on where the number was originally provisioned, not the caller's current location. Mobile phones retain their number when users move, and businesses may use numbers from regions where they don't have a physical presence. VoIP services can also provision numbers from virtually any area code. Can mobile phones use numbers with this area code? Yes, mobile phones can have numbers from any area code in the region they were activated. Wireless carriers assign numbers from available pools regardless of phone type. When users change carriers or move to new areas, they typically keep their original number, which may have a different area code than their current location. How can I check an unfamiliar phone number? Start by looking up the area code on this site to understand its general geographic region. For the specific number, options include using your carrier's caller ID features or checking public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register your number with the National Do Not Call Registry to reduce unwanted calls. Keep in mind that caller ID can display any name the caller chooses to set. Why do some regions use multiple area codes for the same location? When an area's pool of available phone numbers runs low, regulators may introduce an "overlay" area code that covers the same geographic territory as the original. Both codes coexist, and new numbers are assigned from whichever code has availability. This area code shares its region with area code 332, area code 646, area code 917. Learn more in our overlay vs split guide. Is area code 212 mainly associated with New York? While New York is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city. Does this area code serve a densely populated region? This area code covers a metropolitan region with high population density. Dense urban areas typically have higher call volumes and may have multiple overlapping area codes to meet demand for phone numbers. Businesses and residents in these areas are more likely to need additional numbering resources.